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Fombuenacrinus nodulus

Crinoidea - Diplobathrida - Anthracocrinidae

Taxonomy
Fombuenacrinus nodulus was named by Cole et al. (2017) [= 2015a camerate crinoid in Zamora et al., p. 237, figs. 19K, 19L]. Its type specimen is MPZ2016/105 and is a 3D body fossil. Its type locality is FB-IV. Peña del Tormo. 35 meters, which is in a Berounian/Zahorany transition zone/lower shoreface sandstone in the Fombuena Formation of Spain. It is the type species of Fombuenacrinus.

Synonymy list
YearName and author
2017Fombuenacrinus nodulus Cole et al. figs. 3.1, 3.2, 3.7, 3.8, 3.11, 3.12, 4.1, 4.2

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
Ambulacraria
phylumEchinodermata
subphylumCrinozoaMatsumoto 1929
classCrinoideaMiller 1821
RankNameAuthor
subclassCamerataWachsmuth and Springer 1885
infraclassEucamerataCole 2017
orderDiplobathridaMoore and Laudon 1943
superfamilyRhodocrinitoideaRoemer 1855
familyAnthracocrinidaeStrimple and Watkins 1955
genusFombuenacrinus
speciesnodulus

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
ReferenceDiagnosis
S. R. Cole et al. 2017Anthracocrinid 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.