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Duolobella sandiae
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
Year | Name and author |
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2012 | Duolobella sandiae Rasmussen et al. p. 45 figs. Plate 11, figures 18–24; Plate 12, 1–2 |
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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.
†Duolobella sandiae Rasmussen et al. 2012
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Diagnosis
Reference | Diagnosis | |
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C. M. O. Rasmussen et al. 2012 | Shell 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. |