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Article: Middle Triassic holothurians from northern Spain

Publication: Palaeontology
Volume: 34
Part: 1
Publication Date: March 1991
Page(s): 49 76
Author(s): Andrew B. Smith and Jaume Gallemí
DOI:
Addition Information

How to Cite

SMITH, A. B., GALLEMÍ, J. 1991. Middle Triassic holothurians from northern Spain. Palaeontology34, 1, 49–76.

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Abstract

An abundant fauna of well-preserved holothurians is described from the Middle Triassic (Ladinian) of Collbato, northern Spain. Three new genera and species are represented, Strobilothyone rogenti, a heterothyonid, Monilipsolus mirabilis, a psolid, and Collbatothuria danieli an aspidochirote of uncertain familial affinities. A new subfamily, Monilipsolinae, is created for Monilipsolus. Holothurians had clearly achieved considerable diversity by the Middle Triassic; at least four of the six currently recognized orders were established by this time. Holothurians were also ecologically diverse by the Middle Triassic with epibenthic, deposit-feeding species, infaunal, suspension-feeding species and epifaunal, attached, suspension-feeding species all represented.
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