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Agaricocrinus
Taxonomy
Agaricocrinus was named by Austin (1851) [Sepkoski's age data: C Tour-l C Vise-l Sepkoski's reference number: 986]. It is not extant.
It was assigned to Coelocrinidae by Webster and Lane (1987); and to Monobathrida by Sepkoski (2002).
It was assigned to Coelocrinidae by Webster and Lane (1987); and to Monobathrida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1851 | Agaricocrinus Austin |
| 1987 | Agaricocrinus Webster and Lane p. 8 |
| 2002 | Agaricocrinus Sepkoski |
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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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. D. Webster and N. G. Lane 1987 | Calyx small to large, flattened biconvex to inverted conical; base slightly to deeply concave, BB and RR commonly not visible in lateral view; iIBrr and primanal elongate. Tegmenal plates commonly large, tumid or nodose; CD 0 commonly bearing large node or spine. Anal opening near top of tegmen posterior to CD 0, may be on short anal tube. Free arms long, deep plated, commonly 10, or up to 4 arms in each but A ray. |