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Sahni, Ashok; Mishra, Vijay Prakash
(detail)
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1975 |
Lower Tertiary vertebrates from western India.
Pal. Soc. India Monogr. No. 3: 1-48. 6 figs. 6 pls. Apr. 7, 1975.
–Reports sir. fossils from three separate horizons in Kutch, western India: Protosiren fraasi from the Middle Eocene (27-29, pl. 6), Halitherium from the Late Oligocene (35-37, pl. 6), and Indosiren koenigswaldi n.sp. from the Early Miocene (37-40, pl. 6). The material referred to P. fraasi consisted of a fragmentary pelvis, later referred by Gingerich et al. (1993) to the cetacean Indocetus ramani.
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Sahni, Ashok
(detail)
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1979 |
An Eocene mammal from the Subathu-Dagshai transition zone, Dharampur, Simla Hills.
Bull. Indian Geol. Assoc. 24(2): 259-262. Illus.
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Sahni, Ashok; Kumar, Kishor
(detail)
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1980 |
Lower Eocene sirenian, Ishatherium subathuensis, gen. et sp. nov. from the type area, Subathu Formation, Subathu, Simla Himalayas, H. P.
Jour. Pal. Soc. India 23/24: 132-135. 3 figs. June 1980.
–Describes Ishatherium subathuensis on the basis of a partial second lower molar. The referred material includes an upper incisor and some "limb and girdle bones", which are not described although they are said to indicate amphibious habits. The ?sir. vertebra described by Sahni et al. (1980) is here redescribed, and Ishatherium is said to be close to the ancestral sir.-moeritheriid stock.
Subsequent writers have regarded Ishatherium not as a sir. but rather as an anthracobunid proboscidean (see Wells & Gingerich, 1983).
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Sahni, Ashok; Mitra, Harish Chandra
(detail)
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1980 |
Neogene palaeobiogeography of the Indian subcontinent with special reference to fossil vertebrates.
Palaeogeogr. Palaeoclim. Palaeoecol. 31(1): 39-62. Figs. July 1980.
–Mentions Halitherium.
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Sahni, Ashok; Kumar, Kishor; Tiwari, B. N.
(detail)
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1980 |
Lower Eocene marine mammal (Sirenia) from Dharampur, Simla Himalayas, H. P.
Current Science (Bangalore, India) 49(7): 270-271. 1 fig. Apr. 5, 1980.
–Reports an isolated first thoracic vertebra from the Subathu Formation. See also Sahni & Kumar (1980).
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Sahni, Ashok; Bhatia, S. B.; Kumar, Kishor
(detail)
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1983 |
Faunal evidence for the withdrawal of the Tethys in the Lesser Himalaya, northwestern India.
Bol. Soc. Pal. Italiana 22(1-2): 77-86. 3 figs.
–Briefly compares the (previously undescribed) pelvic bone of Ishatherium to that of Protosiren, concluding that the former indicates amphibious habits (81).
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Bajpai, Sunil; Thewissen, Johannes G. M.; Kapur, Vivesh Vir; Tiwari, Brahma N.; Sahni, Ashok
(detail)
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2006 |
Eocene and Oligocene sirenians (Mammalia) from Kachchh, India.
Jour. Vert. Pal. 26(2): 400-410. 2 tabs. 6 figs. June 12, 2006.
–Describes Eotheroides babiae, n.sp. (Middle Eocene) and Bharatisiren indica, n.sp. (Late Oligocene), in addition to other reported taxa.
ABSTRACT--Discoveries of three species of Eocene sirenians in District Kachchh, State of Gujarat, India, are reported. A species of the protosirenid Protosiren is represented by cranial and postcranial material, and the halitheriine dugongid Eosiren is represented by a poorly preserved mandible. Neither of these can be identified at the specific level. A new species of haltheriine dugongids is described: Eotheroides babiae, n. sp. The species is based on a lower jaw with teeth. Another new fossil sirenian is reported from the Oligocene (Chattian) Maniyara Fort Formation. The new species, Bharatisiren indica, n. sp., is based on a well-preserved skull, mandibles, and several postcranial specimens. Bharatisiren is a basal dugongine dugongid, close to previously described Bharatisiren kachchhensis and possibly near the origin of the modern genus Dugong.
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Bibliography and Index of the Sirenia and Desmostylia 