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Pre- and postmortem skeletal modifications of the Cupressocrinitidae (Crinoidea, Cladida)

Jan Bohaty
Pre- and postmortem skeletal modifications of the Cupressocrinitidae (Crinoidea, Cladida)
Journal of Paleontology (January 2009) 83 (1): 45-62

Abstract

The discovery of new specimens and restudy of known collections resulted in revision of some members of the cladid crinoid family Cupressocrinitidae. "Cupressocrinites gracilis" is generically separated from Cupressocrinites whereby "Procupressocrinus" is resurrected from synonomy and assigned to the Cupressocrinitidae with C. gracilis Goldfuss, 1831 as the type species. Studies of the Sandberger collection presuppose the revision of "Abbreviatocrinites abbreviatus altus" (= A. altus n. comb.) and A. nodosus. Furthermore, the hitherto undetermined cupressocrinitids are described as Cupressocrinites ahuettensis n. sp. and Robustocrinites cataphractus n. sp. The event-controlled distribution of Robustocrinites is discussed and shows similarities to other crinoid genera within the Eifel region. Observed arm-regeneration in Robustocrinites, as well as the postmortem incurred ossicular-boring of an indeterminable organism and the skeletal-colonization by a trepostome bryozoan, are further observations of other pre- and postmortem ossicular modifications in cupressocrinitid skeletons.


ISSN: 0022-3360
EISSN: 1937-2337
Coden: JPALAZ
Serial Title: Journal of Paleontology
Serial Volume: 83
Serial Issue: 1
Title: Pre- and postmortem skeletal modifications of the Cupressocrinitidae (Crinoidea, Cladida)
Author(s): Bohaty, Jan
Affiliation: Universitaet zu Koeln, Institut fuer Geologie und Mineralogie, Cologne, Federal Republic of Germany
Pages: 45-62
Published: 200901
Text Language: English
Publisher: Paleontological Society, Lawrence, KS, United States
References: 78
Accession Number: 2009-014989
Categories: Invertebrate paleontology
Document Type: Serial
Bibliographic Level: Analytic
Annotation: Includes appendix
Illustration Description: illus.
N50°19'60" - N50°19'60", E06°46'00" - E06°46'00"
Country of Publication: United States
Secondary Affiliation: GeoRef, Copyright 2017, American Geosciences Institute. Abstract, Copyright, The Paleontological Society. Reference includes data from GeoScienceWorld, Alexandria, VA, United States
Update Code: 200909
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