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Spathicephalus
Taxonomy
Spathicephalus was named by Watson (1928). It is not extant. Its type is Spathicephalus mirus.
It was assigned to Loxommatoidea by Carroll (1988); and to Spathicephalidae by Beaumont (1977), Beaumont and Smithson (1998), Clack and Milner (2015).
It was assigned to Loxommatoidea by Carroll (1988); and to Spathicephalidae by Beaumont (1977), Beaumont and Smithson (1998), Clack and Milner (2015).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1928 | Spathicephalus Watson |
| 1977 | Spathicephalus Beaumont |
| 1988 | Spathicephalus Carroll |
| 1998 | Spathicephalus Beaumont and Smithson p. 189 |
| 2015 | Spathicephalus 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.
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