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Duolobella sandiae

Rhynchonellata - Orthida - Orthidae

Taxonomy
Duolobella sandiae was named by Rasmussen et al. (2012). Its type specimen is MGUH 29607 and is a 3D body fossil. Its type locality is Locality A-1230 Blocks 4-6, which is in an Ashbyan deep subtidal ramp limestone/siltstone in the Telsitna Formation of Alaska. It is the type species of Duolobella.

Synonymy list
YearName and author
2012Duolobella sandiae Rasmussen et al. p. 45 figs. Plate 11, figures 18–24; Plate 12, 1–2

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyOrthoideaWoodward 1852
familyOrthidaeWoodward 1852
genusDuolobella
speciessandiae

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.

Diagnosis
ReferenceDiagnosis
C. M. O. Rasmussen et al. 2012Shell small, biconvex, with transversely lobate outline. Anterior commissure unisulcate. Cardinal angles obtuse. Interarea moderately high. Delthyrium high. Teeth flat and wide, supported by divergent dental plates. Dorsal interarea low, notothyrium open. Ornament costate. Brachiophores widely divergent. Notothyrial platform absent. Cardinal process small and thick.