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Spathicephalidae
Taxonomy
Spathicephalidae was named by Beaumont (1977). It is not extant.
It was assigned to Loxommatoidea by Beaumont (1977); and to Baphetoidea by Clack and Milner (2015).
It was assigned to Loxommatoidea by Beaumont (1977); and to Baphetoidea by Clack and Milner (2015).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1977 | Spathicephalidae Beaumont |
| 2015 | Spathicephalidae Clack and Milner p. 61 |
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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.
Fm. †Spathicephalidae Beaumont 1977
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G. †Spathicephalus Watson 1928
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†Spathicephalus marsdeni Smithson et al. 2017
†Spathicephalus mirus Watson 1929
†Spathicephalus pereger Baird 1962
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, subp = subphylum, uc = unranked clade | |||||
| References: Carroll 1988, Hendy et al. 2009 | |||||
Collections (4 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Visean | United Kingdom (Scotland) | Spathicephalus marsdeni (188401) | |
| Pendleian | United Kingdom (Scotland) | Spathicephalus mirus (174421) | |
| Pendleian | United Kingdom (England) | Spathicephalus mirus (22726) | |
| Serpukhovian - Bashkirian | Canada (Nova Scotia) | Spathicephalus pereger (175248) |