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Dorsetisaurus
Taxonomy
Dorsetisaurus was named by Hoffstetter (1967). Its type is Dorsetisaurus purbeckensis.
It was assigned to Anguioidea by Hoffstetter (1967); and to Dorsetisauridae by Prothero and Estes (1980), Estes (1983), Carroll (1988), Alifanov (1993).
It was assigned to Anguioidea by Hoffstetter (1967); and to Dorsetisauridae by Prothero and Estes (1980), Estes (1983), Carroll (1988), Alifanov (1993).
Species
D. hebetidens, D. purbeckensis (syn. Introrsisaurus pollicidens) (type species)
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Dorsetisaurus Hoffstetter p. 363 figs. 9-11 |
| 1975 | Introrsisaurus Seiffert p. 38 figs. 30-31 |
| 1980 | Dorsetisaurus Prothero and Estes |
| 1983 | Dorsetisaurus Estes |
| 1988 | Dorsetisaurus Carroll |
| 1993 | Dorsetisaurus Alifanov p. 9 |
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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. †Dorsetisaurus Hoffstetter 1967
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†Dorsetisaurus hebetidens Hoffstetter 1967
†Dorsetisaurus purbeckensis Hoffstetter 1967
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Invalid names: Introrsisaurus pollicidens Seiffert 1975 [synonym]
Invalid names: Introrsisaurus Seiffert 1975 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Hendy et al. 2009, Kiessling 2004, Carroll 1988 | |||||
Age range: base of the Kimmeridgian to the top of the Early/Lower Albian or 154.80000 to 110.10000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Kimmeridgian | Portugal (Centro) | Introrsisaurus pollicidens (24563) | |
| Kimmeridgian - Tithonian | USA (Wyoming) | D. sp. (12816 39431) | |
| Kimmeridgian - Tithonian | USA (Colorado) | D. sp. (231533) | |
| Early/Lower Tithonian | USA (Colorado) | D. sp. (71476) | |
| Tithonian | USA (Wyoming) | D. sp. (39426) | |
| Tithonian | USA (Colorado) | D. sp. (53040) | |
| Tithonian | USA (Utah) | Lacertilia indet. (57913) | |
| Early/Lower Berriasian - Middle Berriasian | United Kingdom (England) | D. sp. (28401 28995) | |
| Middle Berriasian | United Kingdom (England) | D. purbeckensis, D. hebetidens (72142) D. sp. (52312) | |
| Late/Upper Hauterivian | United Kingdom (England) | D. sp. (62637) | |
| Late/Upper Aptian - Early/Lower Albian | Mongolia (Övörkhangai) | D. sp. (77191) |