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Crepicephalina
Taxonomy
Crepicephalina was named by Resser and Endo (1935) [Sepkoski's age data: Cm uMid Sepkoski's reference number: 464]. It is not extant.
It was assigned to Crepicephalidae by Luo (2001); and to Ptychopariida by Sepkoski (2002).
It was assigned to Crepicephalidae by Luo (2001); and to Ptychopariida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
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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. †Crepicephalina Resser and Endo 1935
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†Crepicephalina convexus Walcott 1911
†Crepicephalina pergranosa Resser and Endo 1937
†Crepicephalina ruichengensis Zhang et al. 1980
Diagnosis
No diagnoses are available