NDLI: Note onCyphaspis Burmeister 1843 (Trilobita, Aulacopleuridae), with a review of several species mainly from the Devonian of Belgium and Germany

Content Provider	Springer Nature Link
Author	Viersen, Allart Philip Prescher, Harald
Copyright Year	2007
Abstract	Specimens ofCyphaspis Burmeister are recorded from Eifelian and Frasnian strata in Belgium as well as from Eifelian strata in Germany, and are assigned to six taxa. Scant information has hitherto been available onCyphaspis from the Ardennes. From this regionCyphaspis unguloides belgica n. ssp.,Cyphaspis sp. B,Cyphaspisl sp. C, andCyphaspis sp. D are recorded. Newly collected topotypical material ofCyphaspis unguloides unguloides (Erben) from the Eifel is described which permits current assignment of this taxon toCyphaspis. The holotype ofCyphaspis hoepfneri hoepfneri (Kowalski) from the Eifel, which was previously only known from poor illustrations, is refigured. The diagnosis ofCyphaspis is emended to include several taxa that exhibit a relatively weakly vaulted glabella and occasionally shorter genal spines.Heliopyge Haas & Mensink (Acastidae), which is in need of revision, is briefly discussed.Funde zu sechs Taxa vonCyphaspis Burmeister aus dem Eifelium und Frasnium Belgiens sowie dem Eifelium der Eifel werden dargestellt. Aus den Ardennen lagen bislang kaum verwertbare Daten zuCyphaspis vor. Erläutert werden dazuCyphaspis unguloides belgica n. ssp.,Cyphaspis sp. B,Cyphaspisl sp. C undCyphaspis sp. D. Neues topotypisches Material zuCyphaspis unguloides unguloides (Erben) aus der Eifel gestattet gegenwärtig eine Zuordnung vonunguloides zuCyphaspis. Für den bislang nur unbefriedigend dokumentierten Holotypus vonCyphaspis hoepfneri hoepfneri (Kowalski) aus der Eifel werden brauchbare Abbildungen gegeben. Die Diagnose vonCyphaspis wird verändert, um einige Taxa integrieren zu können, die durch eine relativ schwach gewölbte Glabella und gelegentlich kurze Wangenstacheln gekennzeichnet sind. Die Revisionsbedürftigkeit vonHeliopyge Haas & Mensink (Acastidae) wird kurz dargestellt.
Starting Page	157
Ending Page	169
Page Count	13
File Format	PDF
ISSN	00372110
Journal	Palaeobiodiversity and Palaeoenvironments
Volume Number	87
Issue Number	2
Language	English
Publisher	Springer-Verlag
Publisher Date	2007-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	Subscribed
Subject Keyword	Trilobita systematics Aulacopleuridae Devonian Belgium Germany Paleontology Biodiversity Animal Systematics/Taxonomy/Biogeography Plant Systematics/Taxonomy/Biogeography Freshwater & Marine Ecology
Content Type	Text
Resource Type	Article
Subject	Paleontology

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