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Planiscutellum
Taxonomy
Planiscutellum was named by Richter (1956) [Sepkoski's age data: S Ldov-u]. It is not extant.
It was assigned to Styginidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
It was assigned to Styginidae by Jell and Adrain (2002); and to Ptychopariida by Sepkoski (2002).
Synonyms
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Synonymy list
Year | Name and author |
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1956 | Planiscutellum Richter |
1960 | Protoscutellum Snajdr |
2002 | Planiscutellum Jell and Adrain p. 426 |
2002 | Planiscutellum 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. †Planiscutellum Richter 1956
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Invalid names: Protoscutellum Snajdr 1960 [synonym]
Diagnosis
No diagnoses are available