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Arkacrinus constrictus
Taxonomy
Arkacrinus constrictus was named by Moore and Strimple (1973). It is not extant. Its type specimen is SUI 33182 (dorsal cup). Its type locality is Flat Rock Creek (Loc. 10), which is in a Morrowan marine limestone/shale in the Bloyd Formation of Oklahoma.
Synonymy list
| Year | Name and author |
|---|---|
| 1973 | Arkacrinus constrictus Moore and Strimple |
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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.
†Arkacrinus constrictus Moore and Strimple 1973
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: subc = subclass, c = class, p = phylum | |||||
| References: Hendy et al. 2009, Kiessling 2004, Aberhan 1992 | |||||