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Bailiaspis
Taxonomy
Bailiaspis was named by Resser (1936) [Sepkoski's age data: Cm mMid-l Cm uMid-l Sepkoski's reference number: 81].
It was assigned to Ptychopariida by Sepkoski (2002); and to Conocoryphidae by Resser (1936) and Jell and Adrain (2002).
It was assigned to Ptychopariida by Sepkoski (2002); and to Conocoryphidae by Resser (1936) and Jell and Adrain (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1936 | Bailiaspis Resser p. 18 |
| 2002 | Bailiaspis Jell and Adrain p. 346 |
| 2002 | Bailiaspis Sepkoski |
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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. †Bailiaspis Resser 1936
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†Bailiaspis bufo Hicks 1865
†Bailiaspis dalmani Angelin 1878
†Bailiaspis elegans Hartt 1868
†Bailiaspis emarginata Linarsson 1877
†Bailiaspis glabrata Angelin 1878
†Bailiaspis granulata Matthew 1885
†Conocoryphe emarginata longifrons Cobbold 1911
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. E. Resser 1936 | All features normal for the family. Cephalon and pygidium like Bailiella except for the rim of cephalon. Rim thickened and extended backward in the middle, sufficiently in some species to connect the anterior furrow with the dorsal furrow.
Some species were referred to Ctenocephalus because the thickened rim simulates a median boss, but examination of the specimens shows at once that the structure is quite different. |