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Tropidelasma pygmaeum

Strophomenata - Orthotetida - Schuchertellidae

Taxonomy
Streptorhynchus pygmaeum was named by Girty (1908). It is a 3D body fossil. Its type locality is USGS 3763 green, Comanche Canyon, Glass Mountains, which is in a Roadian carbonate limestone in the Word Formation of Texas.

It was recombined as Tropidelasma pygmaeum by Cooper and Grant (1974).

Synonymy list
YearName and author
1908Streptorhynchus pygmaeum Girty p. 178 figs. Pl 30, figs 3-6b
1909Streptorhynchus pygmaeum Girty
1931Streptorhynchus pygmaeum King p. 49 figs. Pl 4, figs 4-5
1974Tropidelasma pygmaeum Cooper and Grant p. 343

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classStrophomenataWilliams et al 1996
orderOrthotetidaWaagen 1884
superfamilyOrthotetoidea
familySchuchertellidae
subfamilyStreptorhynchinae
genusTropidelasma
speciespygmaeum()

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.

†Tropidelasma pygmaeum Girty 1908
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Diagnosis
No diagnoses are available