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Ischyrophyma tumida

Trilobita - Ptychopariida - Raymondinidae

Taxonomy
Ischyrophyma tumida was named by Whittington (1965). Its type specimen is GSC 18465, a cephalon/head (cranidium), and it is a mold. Its type locality is Table Point, "Middle Table Head", 50 feet, which is in a Chazyan slope limestone in the Table Cove Formation of Canada.

Sister species lacking formal opinion data
I. zhiqiangi

Synonymy list
YearName and author
1965Ischyrophyma tumida Whittington p. 339 figs. Pl. 19, figs. 6, 7, 9

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Ecdysozoa
—Panarthropoda
phylumArthropodaLatreille 1829
RankNameAuthor
subphylumArtiopoda(Hou and Bergstrom)
classTrilobitaWalch 1771
subclassLibristoma
orderPtychopariidaSwinnerton 1915
familyRaymondinidaeClark 1924
genusIschyrophymaAngelin 1854
speciestumida

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.

†Ischyrophyma tumida Whittington 1965
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Diagnosis
No diagnoses are available