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Fritchaspis
Taxonomy
Fritchaspis was named by Vanek (1963). Its type is Harpes montagnei. It was considered monophyletic by Johnson (2024).
It was reranked as Lioharpes (Fritchaspis) by Pribyl and Vanek (1986); it was synonymized subjectively with Lioharpes by Ebach and McNamara (2002).
It was assigned to Lioharpes by Pribyl and Vanek (1986); to Asaphida by Sepkoski (2002); and to Harpetidae by Johnson (2024).
It was reranked as Lioharpes (Fritchaspis) by Pribyl and Vanek (1986); it was synonymized subjectively with Lioharpes by Ebach and McNamara (2002).
It was assigned to Lioharpes by Pribyl and Vanek (1986); to Asaphida by Sepkoski (2002); and to Harpetidae by Johnson (2024).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1963 | Fritchaspis Vanek |
| 1986 | Lioharpes (Fritchaspis) Pribyl and Vanek p. 20 |
| 2002 | Fritchaspis Sepkoski |
| 2024 | Fritchaspis Johnson p. 61 |
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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. †Fritchaspis Vanek 1963
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†Fritchaspis edgecombei Johnson 2024
†Fritchaspis montagnei Hawle and Corda 1847
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Invalid names: Harpes perneri Prantl and Pribyl 1954 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. G. Johnson 2024 | Genicranium narrow, length (sag.) between 75% and 85% of width (tr.). Glabella inset and preglabellar furrow bowed upwards in anterior view. No tubercles on occipital ring. Posterior border moderately wide (tr.), between 41% and 50% of width (tr.) of occipital ring. Alar depression present and course of inner margin of fringe across anterior of genal area straight. Genal roll sloping moderately anteriorly (sag.) at between 420 and 500 to horizontal. Brim wide (sag.) >35% of cephalic length (sag.) and steepening to less than vertical on prolongations. Brim width ratio between 0.86 and 0.94. Spaces between brim perforations inflated. Prolongations moderately short (exsag.), between 76% and 85% of cephalic length (sag.). |