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Sespia heterodon
Taxonomy
Cyclopidius heterodon was named by Cope (1877). It is a 3D body fossil. Its type locality is Fort Logan, which is in an Arikareean terrestrial horizon in Montana.
It was recombined as Pithecistes heterodon by Cope (1884); it was synonymized subjectively with Cyclopidius simus by Loomis (1925); it was synonymized subjectively with Leptauchenia decora by CoBabe (1996); it was synonymized subjectively with Sespia nitida by Lander (1998); it was recombined as Sespia heterodon by Schultz and Falkenbach (1968), Hoffman and Prothero (2004), Stevens and Stevens (2007).
It was recombined as Pithecistes heterodon by Cope (1884); it was synonymized subjectively with Cyclopidius simus by Loomis (1925); it was synonymized subjectively with Leptauchenia decora by CoBabe (1996); it was synonymized subjectively with Sespia nitida by Lander (1998); it was recombined as Sespia heterodon by Schultz and Falkenbach (1968), Hoffman and Prothero (2004), Stevens and Stevens (2007).
Synonymy list
| Year | Name and author |
|---|---|
| 1877 | Cyclopidius heterodon Cope p. 222 |
| 1884 | Pithecistes heterodon Cope p. 559 |
| 1902 | Cyclopidius heterodon Hay p. 670 |
| 1935 | Cyclopidius heterodon Schlaikjer |
| 1937 | Cyclopidius heterodon Thorpe p. 249 |
| 1968 | Sespia heterodon Schultz and Falkenbach |
| 2004 | Sespia heterodon Hoffman and Prothero p. 161 |
| 2007 | Sespia heterodon Stevens and Stevens p. 158 |
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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.
†Sespia heterodon Cope 1877
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Nowak 1999, Lillegraven 1979, Hendy et al. 2009, Lander 1998 | |||||
Age range: Arikareean or 29.50000 to 18.50000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Arikareean | USA (Montana) | Cyclopidius heterodon (17509) |