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Conocoryphe (Bailiella)
Taxonomy
Conocoryphe (Bailiella) was named by Matthew (1885) [Sepkoski's age data: Cm mMid-l Cm uMid-m Sepkoski's reference number: 81]. Its type is Conocephalites baileyi.
It was reranked as Bailiella by Resser (1936), Jell and Adrain (2002), Sepkoski (2002), Landing et al. (2008) and Esteve (2009).
It was assigned to Conocoryphe by Matthew (1885); to Ptychopariida by Sepkoski (2002); to Solenopleuridae by Landing et al. (2008); and to Conocoryphidae by Resser (1936), Jell and Adrain (2002) and Esteve (2009).
It was reranked as Bailiella by Resser (1936), Jell and Adrain (2002), Sepkoski (2002), Landing et al. (2008) and Esteve (2009).
It was assigned to Conocoryphe by Matthew (1885); to Ptychopariida by Sepkoski (2002); to Solenopleuridae by Landing et al. (2008); and to Conocoryphidae by Resser (1936), Jell and Adrain (2002) and Esteve (2009).
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1885 | Conocoryphe (Bailiella) Matthew p. 103 |
| 1902 | Conocoryphe (Liocephalus) Grönwall |
| 1936 | Bailiella Resser p. 15 |
| 2002 | Bailiella Jell and Adrain p. 346 |
| 2002 | Bailiella Sepkoski |
| 2008 | Bailiella Landing et al. p. 899 |
| 2009 | Bailiella Esteve |
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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.
Subg. †Conocoryphe (Bailiella) Matthew 1885
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. E. Resser 1936 | Cephalon semicircular ; glabella well defined, tapered, with glabellar furrows. Eyes lacking. Fixed cheeks large, apparently extending to the lateral margins. Marginal furrow extends entirely around the cephalon. Rim generally of even width but sometimes slightly expanded in the middle. Preglabellar area always present and exceeds that of Conocoryphe.
Thorax and pygidium typical of the family. Surface rarely smooth but usually pustulose or lined or both. Usu- ally a ridge or vein extends outward across the cheeks from the dorsal furrow, arising near the front of the glabella. This ridge occupies the position of, and resembles, an eye line, but in some species it is more like a vein branching as it advances. Anterior to this ridge the system of surface ornamentation characterizing the species gives way frequently to lines or veins. |