Edited by oilshale
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Hapalocrinus frechi JAEKEL, 1895
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By oilshale (edited)
Taxonomy
Crinoid
Kingdom: Animalia
Phylum: Echinodermata Klein 1754
Class: Crinoidea Miller 1821
Order: Monobathrida Moore and Laudon 1943
Family: Hapalocrinidae Jaekel 1895
Genus: Hapalocrinus
Species: Hapalocrinus frechi
Author Citation JAEKEL, 1895
Geological Time Scale
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian
Sub Period: None
Epoch: Early
International Age: Emsian (early)
Stratigraphy
Hunsrück Slate Group
Kaub Formation
Biostratigraphy
Bundenbach Fossil Biota
Provenance
Acquired by: Purchase/Trade
Location
Grube Eschenbach
Bundenbach
Rhineland-Palatinate
Germany
Comments
Taxonomy from Mindat.org.
Together with the small brittlestar Ophiurina lymani.
Description for the genus from Südkamp 2017, p. 106" The uniseral arms branch at least once above the second brachial. Proximally they bear pinnules on every second brachial. Beyond the seventh of these, a pinnule is attached to every brachial. Hapalocrinus has quadrangular or rectangular brachials. The anal tube is absent or incipient. The stem is slender. Some elements of the upper stem bear straight spines."
Identified by oilshale.
References:
C. Bartels, M. Poschmann, T. Schindler & M. Wuttke (with contributions by H.-G. Mittmeyer) (2002) Palaeontology and palaeoecology of the Kaub Formation (Lower Emsian, Lower Devonian) at Bundenbach (Hunsrück, SW Germany). Metalla (Bochum) 9.2, p. 105-122.
Südkamp, W. (2017) Life in the Devonian. Identification book Hunsrück Slate fossils. Verlag Dr. Friedrich Pfeil, München.
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