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Opsypharus
Taxonomy
Opsypharus was named by Howells (1982) [Sepkoski's age data: S Ldov S Wenl Sepkoski's reference number: 735]. It is not extant. Its type is Illaenus (Bumastus) maccallumi.
It was synonymized subjectively with Failleana by Jell and Adrain (2002); it was misspelled as Opsupharus by Sepkoski (2002) and Holloway and Lane (2016).
It was assigned to Ptychopariida by Sepkoski (2002); and to Bumastinae by Holloway and Lane (2016).
It was synonymized subjectively with Failleana by Jell and Adrain (2002); it was misspelled as Opsupharus by Sepkoski (2002) and Holloway and Lane (2016).
It was assigned to Ptychopariida by Sepkoski (2002); and to Bumastinae by Holloway and Lane (2016).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Opsypharus Howells |
| 2002 | Opsupharus Sepkoski |
| 2016 | Opsypharus Holloway and Lane p. 440 |
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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. †Opsypharus Howells 1982
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†Opsypharus maccallumi Salter 1867
†Opsypharus nudus Angelin 1854
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| D. J. Holloway and P. D. Lane 2016 | Cephalon and pygidium of low to moderate convexity. Omphalus and/or anterolateral internal pit present; axial furrow commonly extending forward to omphalus on internal molds. Shallow border furrow may be present on librigena; eye socle absent; genal angle broadly rounded to acute. Rostral plate lenticular to rhombic in outline; rostral portion of hypostomal suture transverse or gently convex forward. Thorax with very broad axis comprising 65%–75% segmental width and with ‘nonfulcrate’ pleurae. Pygidium with first pleural furrow impressed, meeting distinct holcos distally. |