Monstrocrinus

Monstrocrinus Temporal range: Upper Emsian–Upper Eifelian, [1] 410.62–387.95  Ma PreꞒ Ꞓ O S D C P T J K Pg N
Specimen of M. granosus (NHMMZ PWL 2021/6145-LS). Scale bar = 3 cm
Scientific classification
Kingdom:	Animalia
Phylum:	Echinodermata
Class:	Crinoidea
Order:	† Diplobathrida
Family:	† Rhodocrinitidae
Genus:	† Monstrocrinus Schmidt, 1941
Type species
Monstrocrinus securifer Schmidt, 1941 [1]
Species [1]
M. securifer Schmidt, 1941 M. granosus Schmidt, 1941 M. incognitus Scheffler et al., 2011

Monstrocrinus is an extinct genus of crinoids knwon from the upper Emsian (Early Devonian) to lower Eifelian (Middle Devonian) of Germany and Spain and the middle and upper Eifelian of Brazil. ^[1]

Gallery

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  Recast holotype of M. securifer
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  Recast paratype of M. securifer
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  Calcite-preserved spines and isolated calyx plates of M. securifer
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  Recast holotype of M. granosus
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  Details of a specimen of M. granosus (NHMMZ PWL 2021/6145-LS)

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  Morphological features of Monstrocrinus spines
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  Schematic reconstruction of Monstrocrinus in feeding posture

References

1. Bohatý, Jan; Poschmann, Markus J.; Müller, Peter; Ausich, William I. (November 2023). "Putting a crinoid on a stalk: new evidence on the Devonian diplobathrid camerate Monstrocrinus". Journal of Paleontology. 97 (6): 1233–1250. doi:10.1017/jpa.2023.84. ISSN   0022-3360.