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Cincinnetina multisecta

Rhynchonellata - Orthida - Dalmanellidae

Orthis multisecta was named by James (1871). Its type specimen is FMNH UC1099, a shell, and it is a 3D body fossil. It is the type species of Cincinnetina.

It was recombined as Onniella multisecta by Hall (1962); it was recombined as Dalmanella multisecta by Walker (1982); it was recombined as Cincinnetina multisecta by Jin (2012).

Synonymy list
YearName and author
1871Orthis multisecta James p. 10
1962Onniella multisecta Hall pp. 148-150 figs. pl. 20, figs 11-13
1982Dalmanella multisecta Walker pp. 12-13
2012Cincinnetina multisecta Jin pp. 212 - 217 fig. 5–9

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EubilateriaAx 1987
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderDalmanellidinaMoore 1952
superfamilyDalmanelloideaSchuchert 1913
familyDalmanellidaeSchuchert 1913
speciesmultisecta(James 1871)

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.

J. Jin 2012Shell commonly medium sized, rarely large, transversely subelliptical, planoconvex to ventribiconvex with weakly convex, strongly sulcate dorsal valve, and correspondingly carinate ventral valve. Fascicostellate; growth lines sharp, dense, forming reticulate pits between ribs. Cardinal process commonly hypotrilobate, with moderately developed medial lobe on myophore. Coarse and fine punctae distinctly differentiated; aditicules present but sparse.