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Thomondia
Taxonomy
Thomondia was named by Harper (1942) [Sepkoski's age data: O Ashg]. It is not extant.
It was assigned to Isocolidae by Weir (1959); to Shumardiidae by Jell and Adrain (2002); and to Trilobita by Sepkoski (2002).
It was assigned to Isocolidae by Weir (1959); to Shumardiidae by Jell and Adrain (2002); and to Trilobita by Sepkoski (2002).
Species
Synonymy list
Year | Name and author |
---|---|
1942 | Thomondia Harper |
1959 | Thomondia Weir p. 375 |
2002 | Thomondia Jell and Adrain p. 453 |
2002 | Thomondia 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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
J. A. Weir 1959 | Isocolidae with a single pair of pit-like lateral glabellar furrows confluent with occipital furrow; lateral border furrows conf1uent with preglabellar furrow; facial sutures situated on lateral border. |