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Cincinnetina multisecta
Taxonomy
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).
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
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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.
†Cincinnetina multisecta James 1871
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Jin 2012 | Shell 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. |
Measurements
No measurements are available
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| Source: f = family, c = class, p = phylum, uc = unranked clade | |||||
| References: Aberhan et al. 2004, Hendy et al. 2009, Nesnidal et al. 2013 | |||||
Age range: base of the Chatfieldian to the top of the Telychian or 453.80000 to 433.40000 Ma
Collections (93 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Caradoc | USA (Virginia) | Dalmanella multisecta (85715 85718 85719 85720 85721 85722 85723 85724 85725 85727) | |
| Caradoc | USA (Ohio) | Onniella multisecta (64476) | |
| Late/Upper Ordovician | USA (Maryland) | Onniella multisecta (411) | |
| Late/Upper Ordovician | USA (Ohio) | Dalmanella multisecta (77970) | |
| Late/Upper Ordovician | USA (Indiana) | Dalmanella multisecta (77493 78151) | |
| Late/Upper Ordovician | USA (Kentucky) | Dalmanella multisecta (76124) | |
| Late/Upper Ordovician | USA (New York) | Dalmanella multisecta (1196) | |
| Mohawkian | USA (Virginia) | Dalmanella multisecta (85624) | |
| Chatfieldian | USA (Kentucky) | Dalmanella multisecta (34563) | |
| Edenian | USA (Pennsylvania) | Onniella multisecta (34895) | |
| Edenian | USA (Ohio) | Dalmanella multisecta (77766) Onniella multisecta (64426 64475) | |
| Edenian | USA (Pennsylvania and Virginia) | Onniella multisecta (77103) | |
| Edenian | USA (Kentucky) | Dalmanella multisecta (72637 72638 72639 72640 72641 72642 72643 72644 72645 72646 72647 72648 72676 72679 72680 72709 72714 72715 72716 72717 72718 72719 72728 72729 72730 72731 72732 72733 72735 72736 72757 72758 72759 72760 72764 72765 72766 72767 72768 72998 72999 73003 73008 73009 73010 73019 73020 73022 73023) Onniella multisecta (369) | |
| Maysvillian | USA (Virginia) | Dalmanella multisecta (5396 5398 5399) | |
| Maysvillian | USA (Kentucky) | Dalmanella multisecta (72649 72661 72662 72695 72738 72740 72743 72745 73067 73068 73069 73070) | |
| Maysvillian | USA (New York) | Dalmanella multisecta (77104) | |
| Maysvillian | USA (Ohio) | Onniella multisecta (5394) | |
| Richmondian | USA (Indiana) | Dalmanella multisecta (77966) | |
| Aeronian - Telychian | USA (Georgia) | Dalmanella multisecta (164677) |