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A new microvertebrate fauna from the Middle Hettangian (early Jurassic) of Fontenoille (Province of Luxembourg, south Belgium) Delsate, D.; Duffin, C.J.; Weis, R. (2002). A new microvertebrate fauna from the Middle Hettangian (early Jurassic) of Fontenoille (Province of Luxembourg, south Belgium). Memoirs of the Geological Survey of Belgium, 48. Geological Survey of Belgium: Brussel. 84 pp. Deel van: Memoirs of the Geological Survey of Belgium. Geological Survey of Belgium: Bruxelles. ISSN 1373-5438

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Beschikbaar in	Auteurs
VLIZ: Open access 251980 [ download pdf ]
Documenttype: Wetenschappelijk rapport

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Trefwoorden

Biota > Fauna Countries > Developed countries > Benelux > European union countries > Oecd countries > Western europe > Belgium Disciplines > Biology > Palaeontology Geological time > Phanerozoic > Geological time > Mesozoic > Jurassic > Jurassic, Lower > Hettangian Geology Belemnoidea; Chondrichthyes [WoRMS]; Actinopterygii [WoRMS] Belgium, Florenville [Marine Regions] Marien/Kust

Author keywords

South Belgium, Lower Jurassic, Hettangian, Early Belemnites, Chondrichthyes, Osteichthyes

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Auteurs		Top
Delsate, D. Duffin, C.J. Weis, R.

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Abstract

A Lower Jurassic horizon from Fontenoille yielding fossil fish remains can be dated to the Middle Hettangian Liasicus zone on the basis of the early belemnite Schwegleria and the ammonite Alsatites Iciqueus francus. Hybodontiform sharks are represented by Hybodus reticularis, Lissodus sp„ Polxacrodus sp, and Neoselachians by Synechodus paludinensis nov. sp. and Synechodus streitzi, nov. sp. Earlier reports of a scyliorhinid are not confirmed; teeth of similar morphology to scyliorhinids seem to be juvenile variants of 5. paludinensis. Chimaeriform remains include Squaloraja sp., the earliest occurrence of the genus. The Actinopterygian fauna is introduced, comprising a palaeonisciform cf. Ptxcholepis, a possible late perleidiform cf. Platysiagum, the dapediid semionotiforms Dapedium and cf. Tetragonolepis, the pycnodontiform Eomesodon, halecomorphs cf. Furidae or Ophiopsidae, pholidophoriforms and/or Leptolepididae, and actinistians. Lepidosaur remains are also present.

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