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Tergomyan molluscs ...
Tergomyan molluscs from the Early Ordovician of the Llangynog Inlier, South Wales, UK
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- Cope, John C. W. (författare)
- Univ Bristol, Sch Earth Sci, Life Sci Bldg,Tyndall Ave, Bristol BS8 1TQ, England.
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- Ebbestad, Jan Ove R., 1967- (författare)
- Uppsala universitet,Paleobiologi,Evolutionsmuseet
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Univ Bristol, Sch Earth Sci, Life Sci Bldg,Tyndall Ave, Bristol BS8 1TQ, England Paleobiologi (creator_code:org_t)
- Springer, 2024
- 2024
- Engelska.
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Ingår i: Palaeontologische Zeitschrift. - : Springer. - 0031-0220 .- 1867-6812. ; 98:1, s. 17-28
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Abstract
Ämnesord
Stäng
- A low abundance but diverse fauna of tergomyan molluscs is described from the Llangynog Inlier, Carmarthenshire, South Wales. The specimens originate from a single quarry exposing shallow-water siltstone and mudstone beds of the Early Arenig (early Floian) Bolahaul Member of the Ogof Hen Formation. The fauna includes Proplina areniga sp. nov., Proplina? obtusa sp. nov., Celtopileus calvapex gen. et sp. nov. with preserved muscle scars, Costulaconus mirificus gen. et sp. nov., and Hypseloconus? sp. Comparable tryblidiid taxa are mainly found in the Lower Ordovician of Midwestern USA among species of Proplina Kobayashi, 1933 and Gasconadeoconus Stinchcomb, 1986. The tentative assignment of the predominantly late Cambrian Hypseloconus is symptomatic of the many uncertainties regarding the phylogeny of the tryblidiids. The diverse assemblage of organisms preserved at the single locality represents one of the most remarkable faunas of this age worldwide.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Nyckelord
- Mollusca
- Tergomya
- Early Arenig
- Early Floian
- South Wales
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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