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Ischyrotoma

Trilobita - Proetida - Dimeropygidae

Taxonomy
Ischyrotoma was named by Raymond (1925) [Sepkoski's age data: O Aren-l O Llvi-u Sepkoski's reference number: 388,795]. Its type is Ischyrotoma twenhofeli.

It was assigned to Proetida by Sepkoski (2002); and to Dimeropygidae by Fortey and Droser (1999), Jell and Adrain (2003) and Fortey and Bruton (2013).

Synonymy list
YearName and author
1925Ischyrotoma Raymond
1999Ischyrotoma Fortey and Droser p. 191
2002Ischyrotoma Sepkoski, Jr.
2003Ischyrotoma Jell and Adrain p. 388
2013Ischyrotoma Fortey and Bruton

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Ecdysozoa
Panarthropoda
RankNameAuthor
phylumArthropodaLatreille 1829
subphylumMandibulata
classTrilobitaWalch 1771
orderProetidaFortey and Owens 1975
familyDimeropygidaeHupe 1953
genusIschyrotomaRaymond 1925

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
No diagnoses are available