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Planalvus densa

Rhynchonellata - Athyridida - Athyrididae

Taxonomy
Athyris densa was named by Hall and Clarke (1894).

It was recombined as Planalvus densa by Carter (1971).

Synonymy list
YearName and author
1894Athyris densa Hall and Clarke
1971Planalvus densa Carter p. 249

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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
orderAthyrididaBoucot et al. 1964
suborderAthyrididinaBoucot et al. 1964
superfamilyAthyridoideaMcCoy 1844
familyAthyrididaeMcCoy 1841
subfamilySpirigerellinae
genusPlanalvus
speciesdensa(Hall and Clarke 1894)

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.

Planalvus densa Hall and Clarke 1894
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Diagnosis
ReferenceDiagnosis
J. L. Carter 1971Planalvus densa is transversely subovate in outline and attains a much greater size than P. gibberosa. Furthermore, P. densa may have a weak median sulcus on the dorsal fold.