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Ptygmactrum mordicum

Rhynchonellata - Rhynchonellida - Petasmatheridae

Taxonomy
Ptygmactrum mordicum was named by Cooper and Grant (1976). Its type specimen is USNM 148315a, a shell (Articulated shell), and it is not a trace fossil. Its type locality is USNM702b, Split Tank, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Cathedral Mountain Formation of Texas.

Synonymy list
YearName and author
1976Ptygmactrum mordicum Cooper and Grant p. 1943 figs. Pl 505, figs 19,20

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderRhynchonellidaKuhn 1949
superfamilyWellerelloideaLicharew 1956
familyPetasmatheridaeCooper and Grant 1976
genusPtygmactrum
speciesmordicum

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.

†Ptygmactrum mordicum Cooper and Grant 1976
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Diagnosis
No diagnoses are available