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Synthetoceras
Taxonomy
Synthetoceras was named by Stirton (1932). It is not extant.
It was assigned to Protoceratidae by Stirton (1932), Thurmond and Jones (1981), Carroll (1988); to Synthetoceratini by Webb (1981), Prothero (1998), Webb et al. (2003), Prothero and Ludtke (2007); and to Synthetoceratinae by Hulbert and Whitmore (2006), May (2019).
It was assigned to Protoceratidae by Stirton (1932), Thurmond and Jones (1981), Carroll (1988); to Synthetoceratini by Webb (1981), Prothero (1998), Webb et al. (2003), Prothero and Ludtke (2007); and to Synthetoceratinae by Hulbert and Whitmore (2006), May (2019).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1932 | Synthetoceras Stirton |
| 1981 | Synthetoceras Thurmond and Jones p. 189 |
| 1981 | Synthetoceras Webb p. 362 |
| 1988 | Synthetoceras Carroll |
| 1998 | Synthetoceras Prothero p. 436 |
| 2003 | Synthetoceras Webb et al. p. 362 |
| 2006 | Synthetoceras Hulbert and Whitmore p. 7 |
| 2007 | Synthetoceras Prothero and Ludtke p. 174 |
| 2019 | Synthetoceras May |
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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. †Synthetoceras Stirton 1932
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Subg. †Synthetoceras (Prosynthetoceras) Frick 1937
†Synthetoceras davisorum Hulbert and Whitmore 2006
†Synthetoceras tricornatus Stirton 1932
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: g = genus, f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Prothero 1998, Solounias and Moelleken 1993, Hendy et al. 2009, Nowak 1999, Carroll 1988, Lillegraven 1979 | |||||
Age range: base of the Hemphillian to the top of the Clarendonian or 10.30000 to 9.40000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Clarendonian | USA (Texas) | S. sp. (18623 18640) S. tricornatus (18074 18244 18252 18347 18355 18610 18645) | |
| Clarendonian | USA (Nebraska) | S. tricornatus (18315) | |
| Hemphillian | USA (Alabama) | S. sp. (18559) S. tricornatus (81498) | |
| Hemphillian | USA (Florida) | Protoceratidae indet. (18560) |