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Fombuenacrinus
Taxonomy
Fombuenacrinus was named by Cole et al. (2017). Its type is Fombuenacrinus nodulus.
It was assigned to Anthracocrinidae by Cole et al. (2017).
It was assigned to Anthracocrinidae by Cole et al. (2017).
Species
F. nodulus (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 2017 | Fombuenacrinus Cole et al. |
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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 | |
|---|---|---|
| S. R. Cole et al. 2017 | Anthracocrinid with globose to bowl-shaped calyx; highly convex median ray ridges; infrabasals confined to basal concavity; first interray plate very large; all interrays contiguous with the tegmen; proximal interray plating 1–2?; CD interray not differentiated from other rays; four arms per ray; fixed secundibrachials and tertibrachials; intrabrachial plates between fixed secundibrachials and tertibrachials of adjacent half rays and between fixed tertibrachials of adjacent quarter rays; free arms unbranched; first pinnule variably fixed; first two pinnules enlarged; mature brachials wedge biserial. |