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Hesperonomia planidorsalis

Rhynchonellata - Orthida - Hesperonomiidae

Taxonomy
Hesperonomia planidorsalis was named by Ulrich and Cooper (1936). It is a 3D body fossil. Its type locality is northeast shoulder of Fossil Mountain, 8.7 miles northeast of Lake Louise, which is in a Stairsian/Blackhillsian marine shale in the Outram Formation of Canada. It is the type species of Hesperonomia.

Sister species lacking formal opinion data
H. dinorthoides

Synonymy list
YearName and author
1936Hesperonomia planidorsalis Ulrich and Clarke
1936Hesperonomia planidorsalis Ulrich and Cooper p. 621

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyHesperonomiidaeUlrich and Cooper 1936
genusHesperonomiaUlrich and Cooper 1936
speciesplanidorsalisUlrich and Cooper 1936

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.

†Hesperonomia planidorsalis Ulrich and Cooper 1936
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Diagnosis
No diagnoses are available