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Andrewsiphius
Taxonomy
Andrewsiphius was named by Sahni and Mishra (1975) [Sepkoski's age data: T Eo-m-l Sepkoski's reference number: 506,1022]. Its type is Andrewsiphius kutchensis. It was considered monophyletic by Thewissen and Bajpai (2009).
It was assigned to Agorophiidae by Sahni and Mishra (1975); to Protocetidae by Fordyce (1981); to Cetacea by Sepkoski (2002) and Uhen (2005); to Andrewsiphiinae by Bajpai et al. (2011), Cooper et al. (2014) and Marx et al. (2016); and to Remingtonocetidae by Kumar and Sahni (1986), Gingerich and Russell (1990), Benton (1993), Thewissen et al. (1996), McKenna and Bell (1997), Bajpai and Thewissen (1998), Williams (1998), Thewissen et al. (2001), Gingerich et al. (2001), McLeod and Barnes (2008), Thewissen and Bajpai (2009), Uhen (2010), Bebej et al. (2015), Gao and Ni (2015) and Berta (2017).
It was assigned to Agorophiidae by Sahni and Mishra (1975); to Protocetidae by Fordyce (1981); to Cetacea by Sepkoski (2002) and Uhen (2005); to Andrewsiphiinae by Bajpai et al. (2011), Cooper et al. (2014) and Marx et al. (2016); and to Remingtonocetidae by Kumar and Sahni (1986), Gingerich and Russell (1990), Benton (1993), Thewissen et al. (1996), McKenna and Bell (1997), Bajpai and Thewissen (1998), Williams (1998), Thewissen et al. (2001), Gingerich et al. (2001), McLeod and Barnes (2008), Thewissen and Bajpai (2009), Uhen (2010), Bebej et al. (2015), Gao and Ni (2015) and Berta (2017).
Synonymy list
| Year | Name and author |
|---|---|
| 1975 | Andrewsiphius Sahni and Mishra p. 23 |
| 1981 | Andrewsiphius Fordyce p. 1041 |
| 1986 | Andrewsiphius Kumar and Sahni |
| 1990 | Andrewsiphius Gingerich and Russell p. 18 |
| 1993 | Andrewsiphius Benton p. 761 |
| 1996 | Andrewsiphius Thewissen et al. p. 71 figs. Figure 31 |
| 1997 | Andrewsiphius McKenna and Bell p. 371 |
| 1998 | Andrewsiphius Bajpai and Thewissen p. 221 |
| 1998 | Andrewsiphius Williams p. 8 |
| 2001 | Andrewsiphius Gingerich et al. |
| 2001 | Andrewsiphius Thewissen et al. p. 351 figs. Table 1 |
| 2002 | Andrewsiphius Sepkoski |
| 2005 | Andrewsiphius Uhen p. 1041 |
| 2008 | Andrewsiphius McLeod and Barnes p. 93 |
| 2009 | Andrewsiphius Thewissen and Bajpai p. 636 |
| 2010 | Andrewsiphius Uhen p. 203 |
| 2011 | Andrewsiphius Bajpai et al. p. 703 |
| 2014 | Andrewsiphius Cooper et al. p. 104 |
| 2015 | Andrewsiphius Bebej et al. |
| 2015 | Andrewsiphius Gao and Ni p. 156 figs. Table 1 |
| 2016 | Andrewsiphius Marx et al. p. 99 |
| 2017 | Andrewsiphius Berta p. 159 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Andrewsiphius Sahni and Mishra 1975
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†Andrewsiphius sloani Sahni and Mishra 1972
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Invalid names: Andrewsiphius kutchensis Sahni and Mishra 1975 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Sahni and V. P. Mishra 1975 | Mandible narrow, elongated and with a longer symphysis than that prevailing in more primitive archaeocetes, in which group the symphysis extends posteriorly till P/3 and never to the molar series. Symphysis extending posteriorly at least up to the M/3. Depth of ramus low as compared to archaeocetes. Teeth tending towards homodonty but number remains the same as in Archaeoceti. Shallow longitudinal groove present near the ventral border; in cross-section ventral border obtuse anteriorly, becoming acute posteriorly. |