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A new species of Tiaracrinus from the latest Emsian of Morocco and its phylogeny

Klug, Christian; De Baets, Kenneth; Naglik, Carole J; Wathers, Johnny (2014). A new species of Tiaracrinus from the latest Emsian of Morocco and its phylogeny. Acta Palaeontologica Polonica, 59(1):135-145.

Abstract

We describe a new species of the unusual crinoid Tiaracrinus, T. jeanlemenni sp. nov. from the latest Emsian of the famous mudmound locality Hamar Laghdad, Morocco. It differs from the previously known species in the higher number of ribs and the vaulted rib-fields, which is corroborated by the comparison of simple quantitative characters and ratios as well as by the results of a cluster analysis and a PCA. Based on the new material and the published specimens, we discuss the phylogeny of the genus and suggest that T. oehlerti and T. moravicus represent the ancestral forms of this small clade.

Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Paleontology
Dewey Decimal Classification:560 Fossils & prehistoric life
Scopus Subject Areas:Physical Sciences > Paleontology
Language:English
Date:2014
Deposited On:25 Feb 2013 09:43
Last Modified:09 Nov 2024 02:36
Publisher:Polish Academy of Sciences
ISSN:0567-7920
OA Status:Gold
Publisher DOI:https://doi.org/10.4202/app.2011.0188

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