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IMPORTANT NOTE: We have maintained the originally published taxonomic designation for each specimen despite the fact that many of these specimens have been reclassified since.  We chose to follow this protocol because of the difficulty in keeping up to date with all of the taxonomic groups, and our hesitancy to make a judgement call on taxonomic debates.  As such, please search the database with this in mind, perhaps using higher level taxonomic classifications for your query.

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589 specimens found
Image Spec # CODI Database ID Arch. Locality Geo. Locality Elements Preserved Excavation Date Repository Bed Level Stratigraphic Horizon Bibliographic Information Curatorial Notes ID By ID Date Research Team In Situ Sediment or Matrix Adhering Class Order Suborder Infraorder Superfamily Family Subfamily Tribe Genus Species Subspecies Taxonomic Notes Taxonomic Problems
OLD-666 12789 FRO, L/R-HOR 114 - Natural History Museum UK IV -- OLD-666; "NDT IV" Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Pelorovis cf. Rabaticerus Unknown
M 103956 12901 L-HOR 1947 114 - Natural History Museum UK I-II -- OLD-804; left horncore base; O & B 1947 Unknown Mammalia Artiodactyla Ruminantia Behemota Bovoidea Bovidae Connochaetes or Megalotragus Unknown
M 103989 12548 314 - THC S HOR-f 114 - Natural History Museum UK I -- OLD-309; basal horncore fragment; "OLD Y THC Bed I S " Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Damaliscus niro D. niro, type A No
M 103988 12547 69 - GRK S HOR 114 - Natural History Museum UK II -- OLD-308; "OLD Y GRK. II S 8.5.35" Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Damaliscus niro D. niro, type A No
FLK N I 637 114 5 - FLK HOR 1960 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) I middle upper layers in the middle level. Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 130 - L.S.B. Leakey 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Giraffoidea Giraffidae Palaeotraginae Okapia stillei Gentry and Gentry (1978) later identified this specimen as Parmularius altidens. No
M. 22479 1202 L-HOR 106 - Natural History Museum UK (?) I Gentry, A. W. 1966 Fossil Antilopini of East Africa. Bulletin of the British Museum of Natural History, Geology. 12: 43-106. 9 pls. 137 - A. Gentry 273 - Reck expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella wellsi Gentry and Gentry (1978) reclassified this specimen as Antidorcas recki. No
M. 21456 1203 18 - VEK L-HOR 1935 106 - Natural History Museum UK (?) II Gentry, A. W. 1966 Fossil Antilopini of East Africa. Bulletin of the British Museum of Natural History, Geology. 12: 43-106. 9 pls. This specimen was originally assigned to G. wellsi by Gentry (1966). 137 - A. Gentry 273 - Reck expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella wellsi Gentry and Gentry (1978) reclassified this specimen as Antidorcas recki. No
M. 22362 1205 5 - FLK L-HOR 1935 106 - Natural History Museum UK (?) II Gentry, A. W. 1966 Fossil Antilopini of East Africa. Bulletin of the British Museum of Natural History, Geology. 12: 43-106. 9 pls. This specimen is pictured in plate 7A. 137 - A. Gentry 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella wellsi Gentry and Gentry (1978) reclassified this specimen as Antidorcas recki. No
BK II 1963.2718 875 10 - BK R-HOR-f 1963 104 - Unknown II Gentry, A. W., and Gentry, A. 1978. Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I. Bulletin of the British Museum (Natural History): Geology 29:289-446. 130 - L.S.B. Leakey Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Alcelaphus howardi Gentry and Gentry (1978) reclassified this specimen as Megalotragus kattwinkeli. No
M. 14549 119 HOR-f 1932 106 - Natural History Museum UK (?) I, II, III Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Leakey (1965) indicated this specimen was found on the surface of Bed III, though the museum's label indicates Bed I and markings on the horn core indicate Bed II. 130 - L.S.B. Leakey 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Strepsicerotini Strepsiceros grandis Gentry and Gentry (1978) reclassified this specimen as Tragelaphus strepsiceros grandis. No
M. 21469 120 12 - CK R-HOR-f 1935 106 - Natural History Museum UK (?) IV Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. No information is given about elements preserved. 130 - L.S.B. Leakey 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Strepsicerotini Strepsiceros grandis Gentry and Gentry (1978) reclassified this specimen as Tragelaphus strepsiceros grandis. No
OVPP-Tragelaphus 2 122 6 - FLK NN CRA, HOR 1960 104 - Unknown I middle 1, 2, 3 Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Other specimens are present (Leakey, 1971) but are not described. The cranium and horn cones were found near the base of Bed 2. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Strepsicerotini Strepsiceros maryanus Gentry and Gentry (1978) reclassified this specimen as Tragelaphus strepsiceros maryanus. No
BK II 1952.1495 1036 10 - BK L-HOR 1952 104 - Unknown II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in Leakey (1965) plate 86, left most specimen. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella Gentry and Gentry (1978) say this specimen is of "Type A" variety and could "doubtfully be included in D. niro." No
BK II 1957.876 1040 10 - BK L-HOR 1957 104 - Unknown II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella Gentry and Gentry (1978) say this specimen is of "Type A" variety and could "doubtfully be included in D. niro." No
BK II 067/5237 1051 10 - BK R-HOR II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plate 86, second from the left. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella Gentry and Gentry (1978) say this specimen is of "Type A" variety and could "doubtfully be included in D. niro." No
OVPP-Bularchus 1 127 10 - BK SKULL, MAX, CRA, HOR 104 - Unknown II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Several specimens including crania and post-cranial elements have been found in BK II. One example is pictured in plate 48. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Bularchus arok Gentry and Gentry (1978a) renamed this specimen as P. oldowayensis. No
876/1957 196 10 - BK HOR 1957 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is shown in plate 86. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella Gentry and Gentry (1978a) say this specimen is of "Type A" variety and could "doubtfully be included in D. niro." No
M 103924 12623 HOR-f 114 - Natural History Museum UK -- OLD-448 Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Tragelaphini genus Taurotragus or Tragelaphus Unknown
OLD-1931 13242 HOR-f 114 - Natural History Museum UK -- OLD-1931 Unknown Mammalia Giraffidae or Bovidae Yes
F. 3665 P.P.T. 4 124 16 - LK CRA, L-HOR-f, R-HOR 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) IV Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Face and maxillae are missing. The holotype is pictured in plates 43 and 44. It was found on the surface between RK and LK. This eland is poorly represented at Olduvai. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 130 - L.S.B. Leakey 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Taurotragini Taurotragus arkelli Holotype No
F. 3662 068/5812 P.P.T.2 138 CRA-f, L-HOR, R-HOR-f 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plates 56 and 58. The adhering matrix suggests this specimen must come from above the Lemuta member. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Hippotraginae Hippotragini Hippotragus gigas Holotype No
M. 21430 174 21 - HWK Castle SKULL, R-HOR-f 1932 106 - Natural History Museum UK (?) IV Base of Bed IV. Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plates 75 and 76. 130 - L.S.B. Leakey 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Parmularius rugosus Holotype No
M. 21445 178 R-FRO, R-HOR-f 1935 106 - Natural History Museum UK (?) I Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Additional specimens have been found at FLK N I but are not described. 130 - L.S.B. Leakey 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Beatragus antiquus Holotype No
1516 743 13 - RK CRA, R/L-HOR 112 - Museum für Naturkunde, Berlin, Germany (?) IV Gentry, A. W., and Gentry, A. 1978. Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I. Bulletin of the British Museum (Natural History): Geology 29:289-446. This specimen is also listed as field numbers 1517 and 1518. 143 - W. O. Dietrich Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Pelorovis oldowayensis Holotype No
Kar K II 1962.068/5811 760 42 - Kar. K R/L-HOR, CRA 1962 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) II upper basal gravels Gentry, A. W., and Gentry, A. 1978. Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I. Bulletin of the British Museum (Natural History): Geology 29:289-446. This specimen is pictured in plate 2. The authors indicate other horn cores are found from Bed II to undivided Beds III-IV and teeth occur from Beds I-IV. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 137 - A. Gentry 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Syncerus acoelotus Holotype No
VI 306/1931 II 101 831 R-HOR, L-HOR-f, CRA 1931 116 - Bayerische Staatssammlung für Paläontologie und Geologie (BSPG), Munich, Germany II, IV Gentry, A. W., and Gentry, A. 1978. Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I. Bulletin of the British Museum (Natural History): Geology 29:289-446. Reck believed this specimen came from Bed IV but Hay (in communication with the authors) suggested that adhering matrix indicates it could also have come from Bed II. 144 - H. Reck 273 - Reck expedition Unknown yes but not specified Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Thaleroceros radiciformis Holotype No
VFK III-IV 350 1067 44 - VFK SKULL, L/R-HOR, MAN, MAX 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) III Gentry, A. W., and Gentry, A. 1978. Fossil Bovidae (Mammalia) of Olduvai Gorge, Tanzania. Part I. Bulletin of the British Museum (Natural History): Geology 29:289-446. This specimen is pictured in plate 29, figure 2. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 137 - A. Gentry 264 - Leakey family expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Damaliscus agelaius Holotype No
M. 14947 125 17 - PLK FRLT-f, L/R-HOR-f 106 - Natural History Museum UK (?) II upper Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. Specimen is pictured in plate 46. According to the author, it is "in bad shape." Gentry and Gentry suggest this specimen probably came from the top of Bed 2 at PLK. 130 - L.S.B. Leakey 1936 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Bularchus arok Holotype - Gentry and Gentry (1978) reclassidfied this specimen as Pelorovis oldowayensis. No
M. 21451 128 18 - VEK CRA-f, R-HOR-f 1935 106 - Natural History Museum UK (?) III, IV Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This holotype was found at the junction of Beds 3 and 4. It is pictured in plates 49 and 50. [This species is documented at SHK II, FLK N I, and BK II (Leakey, 1971).] 130 - L.S.B. Leakey 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Bovini Gorgon olduvaiensis Holotype - Gentry and Gentry (1978) reclassified this specimen as Connochaetes taurinus olduvaiensis. No
OVPP-Tragelaphus 1 121 14 - HWK E CRA, HOR 1959 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) II lower 2 Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plates 40, 41. The cranium and horn cones were found near the base of Bed 2. 130 - L.S.B. Leakey 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Strepsicerotini Strepsiceros maryanus Holotype - Gentry and Gentry (1978) reclassified this specimen as Tragelaphus strepsiceros maryanus. No
M. 21460/OR-NR VIII 343 205 CRA, MAX, HOR, M, P 1913 109 - BSPG, Munich, Germany(?)/ NHM UK(?) Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This holotype was collected by Reck in 1913 and is housed in the Munich Museum, registered as OR-NR VIII 343. The BMNH number, M. 21460 is for the cast and is shown in plate 87. Locality was not provided by the author. 137 - A. Gentry 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Gazella Holotype - This specimen was reclassified as Antidorcas recki by Gentry and Gentry (1978). No
M. 14688 215 SKULL, L-HOR, M, P 1931 106 - Natural History Museum UK (?) II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plates 93 and 94. It was found in the 1931-1932 field season. The locality was not provided. 293 - A.T. Hopwood 264 - Leakey family expedition Unknown "pebbly and consolidated sandy matrix of dark colour" Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Caprinae Caprini Pultiphagonides africanus Holotype - This specimen was reclassified as Connochaetes africanus by Gentry and Gentry (1978). No
M. 14561 135 20 - JK 1 HOR 1936 106 - Natural History Museum UK (?) III Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. 293 - A.T. Hopwood 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Damaliscus niro Holotype - This specimen was reclassified by Gentry and Gentry (1978) as Damaliscus niro. No
M. 14950 177 22 - SC FRLT, L-HOR, R-HOR-f 106 - Natural History Museum UK (?) II upper Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plate 79 of Leakey (1965). 130 - L.S.B. Leakey 264 - Leakey family expedition No Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Antilopinae Antilopini Antidorcas kattwinkelli Holotype - This specimen was reclassified by Gentry and Gentry (1978) as Megalotragus kattwinkeli. No
BK II 1955 P.P.T. 1 159 10 - BK CRA, L/R-HOR-f 1955 105 - National Museum and House of Culture, Dar es Salaam, Tanzania (?) II Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This holotype specimen is pictured in plate 67. The author gave the specimen number as P.P.T. 3, but Gentry and Gentry (1978a) gave the correct number as P.P.T. 1. BK II was added to this specimen number to avoid confusion as there is another specimen with number P.P.T. 1. Original information indicated that this specimen was located in Nairobi. This specimen is likely within the material that was repatriated to Dar in 2011, but this has yet to be confirmed. 138 - E. Schwarz 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Damaliscus angusticornis Holotype - This specimen was reclassified by Gentry and Gentry (1978) as Parmularius angusticornis. No
M. 21461 118 13 - RK CRA, R/L-HOR, R-I, R-P, R-M 1931 106 - Natural History Museum UK (?) II upper Leakey LSB. 1965. Olduvai Gorge 1951-1961, Volume 1: Fauna and Background. New York, NY: Cambridge University Press. This specimen is pictured in plates 38 and 39. 130 - L.S.B. Leakey 264 - Leakey family expedition Yes Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Strepsicerotini Strepsiceros grandis Holotype. Gentry and Gentry (1978) reclassified this specimen as Tragelaphus strepsiceros grandis. No
1931 II 666 8530 CRA, L-HOR 1913 116 - Bayerische Staatssammlung für Paläontologie und Geologie (BSPG), Munich, Germany -- Cranium with left horn core, lacking palate. Label/publication taxon ID: Gorgon taurinus semiticus. Reck Field No.: VII 1111 & VI 306. This is the Rhynotragus semiticus type specimen. In 1994 Anthea Gentry found that a horn core labelled VI 306 joins onto the previously hornless type cranium (though these have different field 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Megalotragus kattwinkeli Inventoried by Faysal Bibi in 2012. No
1931 II 1111 8532 CRA-f, R-HOR-f 116 - Bayerische Staatssammlung für Paläontologie und Geologie (BSPG), Munich, Germany Black E. 1937. Fossil Antelopes of Olduvai. Scientific results of the Olduvai Expedition 1913:33. Cranium lacking face with braincase and much of right HOR. Label/publication taxon ID: Taurotragus oryx pachyceros. Reck Field No.: E 58. Holotype specimen of Taurotragus oryx pachyceros, which is a synonym of the living Taurotragus oryx (Gentry, 1995). Tribe may be Tragelaphini. 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Bovinae Taurotragini Taurotragus oryx Inventoried by Faysal Bibi in 2012. No
1931 II 101 8533 L/R-FRLT, FRO, L/R-HOR 116 - Bayerische Staatssammlung für Paläontologie und Geologie (BSPG), Munich, Germany Reck H. 1937. Wissenschaftliche Ergebnisse der Oldoway-Expedition 1913. Berlin: D. Reimer. Frontals with both horn cores. Holotype. Reck Field No.: VI 306. Holotype. Note that VI 306 was given as a field number for both the Thaleroceros specimen 1931 II 101 and the horn core that attaches to the skull of Megalotragus 1931 II 666. Strange because this may be the only case of a duplicated field number. 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Thaleroceros radiciformis Inventoried by Faysal Bibi in 2012. No
1931 II 524 8553 R-FRO, HOR 1913 116 - Bayerische Staatssammlung für Paläontologie und Geologie (BSPG), Munich, Germany Black E. 1937. Fossil Antelopes of Olduvai. Scientific results of the Olduvai Expedition 1913:56? With most of HOR. Label/publication taxon ID: Alcelaphus kattwinkeli. Reck Field No.: none. Probably the single 273 - Reck expedition Unknown Mammalia Artiodactyla Ruminantia Bovoidea Bovidae Alcelaphinae Alcelaphini Megalotragus kattwinkeli Inventoried by Faysal Bibi in 2012. No