Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony

An almost complete specimen of the branchiosaurid temnospondyl Apateon gracilis (Credner, 1881) with a skull length of approximately 7 mm from the Early Permian Döhlen Basin in Saxony is described that possesses a nearly complete conspecific specimen of approximately 4 mm skull length in its digesti...

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Main Author: F. Witzmann
Format: Article
Language:English
Published: Pensoft Publishers 2009-02-01
Series:Fossil Record
Online Access:https://fr.pensoft.net/article/30380/download/pdf/
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author F. Witzmann
author_facet F. Witzmann
author_sort F. Witzmann
collection DOAJ
description An almost complete specimen of the branchiosaurid temnospondyl Apateon gracilis (Credner, 1881) with a skull length of approximately 7 mm from the Early Permian Döhlen Basin in Saxony is described that possesses a nearly complete conspecific specimen of approximately 4 mm skull length in its digestive tract. This is the first evidence of cannibalistic behaviour in small growth stages of branchiosaurids, whose dentition and hyobranchial morphology suggest adaptations to the capture of small invertebrates and feeding on small phyto- and zooplankton by filtering from the water. Therefore, cannibalism in small branchiosaurids certainly represents an exceptional case, possibly triggered by unfavourable environmental conditions.doi:10.1002/mmng.200800006
first_indexed 2024-03-08T17:55:04Z
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spelling doaj.art-368d12ed550a45ebafd565a98c73eada2024-01-02T05:30:30ZengPensoft PublishersFossil Record2193-00742009-02-0112171110.1002/mmng.20080000630380Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from SaxonyF. Witzmann0Museum für Naturkunde Berlin, Invalidenstraße 43An almost complete specimen of the branchiosaurid temnospondyl Apateon gracilis (Credner, 1881) with a skull length of approximately 7 mm from the Early Permian Döhlen Basin in Saxony is described that possesses a nearly complete conspecific specimen of approximately 4 mm skull length in its digestive tract. This is the first evidence of cannibalistic behaviour in small growth stages of branchiosaurids, whose dentition and hyobranchial morphology suggest adaptations to the capture of small invertebrates and feeding on small phyto- and zooplankton by filtering from the water. Therefore, cannibalism in small branchiosaurids certainly represents an exceptional case, possibly triggered by unfavourable environmental conditions.doi:10.1002/mmng.200800006https://fr.pensoft.net/article/30380/download/pdf/
spellingShingle F. Witzmann
Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
Fossil Record
title Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
title_full Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
title_fullStr Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
title_full_unstemmed Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
title_short Cannibalism in a small growth stage of the Early Permian branchiosaurid Apateon gracilis (Credner, 1881) from Saxony
title_sort cannibalism in a small growth stage of the early permian branchiosaurid apateon gracilis credner 1881 from saxony
url https://fr.pensoft.net/article/30380/download/pdf/
work_keys_str_mv AT fwitzmann cannibalisminasmallgrowthstageoftheearlypermianbranchiosauridapateongraciliscredner1881fromsaxony