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Tricrepicephalus thoosa
Taxonomy
Crepicephalus thoosa was named by Walcott (1916) [Lochman (1940) re-ided specimens from 1a & 1a' as Tricrepicephalus walcotti (Lochman 1936).].
It was recombined as Tricrepicephalus thoosa by Rasetti (1965).
It was recombined as Tricrepicephalus thoosa by Rasetti (1965).
Sister species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1916 | Crepicephalus thoosa Walcott pp. 214 - 215 figs. pl. 31 f. 1b-k, not 1a |
| 1936 | Paracrepicephalus walcotti Lochman p. 39 figs. pl. 9 figs. 29, 31, 33 |
| 1938 | Tricrepicephalus walcotti Resser p. 102 figs. pl. 11, fig. 54 |
| 1965 | Tricrepicephalus thoosa Rasetti p. 54 figs. Plate 6, figures 1-4 |
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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.
†Tricrepicephalus thoosa Walcott 1916
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Invalid names: Paracrepicephalus walcotti Lochman 1936 [synonym]
Diagnosis
No diagnoses are available