Edited by oilshale
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By oilshale (edited)
Brittle star
Kingdom: Animalia
Eon: Phanerozoic
Era: Paleozoic
Period: Devonian
Sub Period: None
Epoch: Early
International Age: Early Emsian
Hunsrück Slate Group
Kaub Formation
Acquired by: Purchase/Trade
Diameter: 2 cm
Grube Eschenbach
Bundenbach
Rhineland-Palatinate
Germany
Together with Hapalocrinus frechi JAEKEL, 1895.
Taxonomy from Fossilworks.org.
Description from Südkamp 2017, p. 142: "Ophiurina and 'Eschenbachia' are the smallest ophiuroids of the Hunsrück Slate. The round disc is covered with a finely granular skin. The margin of the disc consists of 15 rod-like plates, of which every three of them are lying interradially. The marginals are connected to the second arm segment (personal information F. Hotchkiss, 2016). the vertebral halves are arranged in opposing pairs. The largest elements of the arm skeleton are the curved laterals, which bear a row of small spines of unequal length. They are orally touching across the midline of the arms. The five slender arms taper in their first halves evenly and the laterals become long slender rods towards the extremity of the arms"
Identified by oilshale.
References:
Stürtz, B. (1890) Neuer Beitrag zur Kenntniss paläozoischer Seesterne. Palaeontographica 36:203-247.
Südkamp, W. (2017) Life in the Devonian. Identification book Hunsrück Slate fossils. Verlag Dr. Friedrich Pfeil. München 2017. ISBN978-3-89937-221-2.
Edited by oilshale
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