Medernach bonebed (Triassic of Luxembourg)

Also known as Larochette

Where: Diekirch, Luxembourg (49.8° N, 6.2° E: paleocoordinates 33.4° N, 7.9° E)

• coordinate based on nearby landmark

• small collection-level geographic resolution

When: Steinmergel Group, Alaunian (215.6 - 212.0 Ma)

• Middle Norian (6 m below base of the "Rhaetic")

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lithified dolomite

Size classes: macrofossils, mesofossils

Collected by Wouters, Lepage & Coupatez in 1983; reposited in the BMNH

Collection methods: bulk, sieve,

Primary reference: G. Hahn, J. C. Lepage, and G. Wouters. 1984. Cynodontier-Zähne aus der Ober-Trias von Medernach, Grossherzogtum Luxemburg [Cynodontian teeth from the Upper Triassic of Medernach, Grand Duchy of Luxembourg]. Bulletin de la Société Belge de Géologie 93(4):357-373 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56047: authorized by Matthew Carrano, entered by Matthew Carrano on 10.11.2005, edited by Richard Butler

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Hybodontiformes -
Lissodus lepagei n. sp.2 Duffin 1993 elasmobranch
 Synechodontiformes - Palaeospinacidae
Nemacanthus monilifer1 Agassiz 1836 elasmobranch
 Synechodontiformes -
"Hybodus minor" = Rhomphaiodon minor2
"Hybodus minor" = Rhomphaiodon minor2 Agassiz 1837 elasmobranch
Osteichthyes
 Saurichthyiformes - Saurichthyidae
Saurichthys sp.1 Agassiz 1834 ray-finned fish
Actinopteri
 Neopterygii -
 Perleidiformes - Colobodontidae
cf. Colobodus sp.1 Agassiz 1843
 Perleidiformes - Perleididae
"Perleidus cf. stoschiensis" = Teffichthys stoschiensis1, cf. Dipteronotus sp.1, Perleidus sp.1
"Perleidus cf. stoschiensis" = Teffichthys stoschiensis1 Stensiö 1932
cf. Dipteronotus sp.1 Egerton 1854
Perleidus sp.1 de Alessandri 1910
 Teleostei -
 Holostei -
Semionotiformes indet.1 Arambourg and Bertin 1958
Amphibia
 Temnospondyli - Cyclotosauridae
cf. Cyclotosaurus sp.1 Fraas 1889 tetrapod
 Temnospondyli - Plagiosauridae
Plagiosaurus sp.4 Jaekel 1914 tetrapod
Gerrothorax? or Plagiosaurus?
Osteichthyes
 Therapsida - Dromatheriidae
Pseudotriconodon wildi n. gen. n. sp.3
Pseudotriconodon wildi n. gen. n. sp.3 Hahn et al. 1984 cynodont
R.M. 1 plus 27 isolated specimens
 Therapsida - Traversodontidae
Traversodontidae indet.1 Huene 1936 cynodont
 Therapsida -
Gaumia aff. incisa3 Hahn et al. 1987 cynodont
 Morganucodonta - Morganucodontidae
Morganucodontidae indet.3 Kuehne 1958 mammaliaform
 Therapsida -
Tricuspes tuebingensis1 Huene 1933 therapsid
Reptilia
 Eosuchia - Kuehneosauridae
cf. Kuehneosaurus sp.1 Robinson 1962 crown diapsid
 Eosuchia - Clevosauridae
Clevosaurus sp.1 Swinton 1939 lepidosaur
 Sauropterygia -
cf. Nothosauria indet.1 Baur 1889 nothosaur
 Archosauria -
Archosauria indet.1 archosaur
carnivorous
 Ornithischia -
 Pterosauria - Campylognathoididae
Eudimorphodon sp.1 Zambelli 1973 pterosaur
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae1
"Phytosauridae indet." = Mystriosuchinae1 von Huene 1915 archosaur
Osteichthyes
 Dipnoi - Ceratodontidae
Ceratodus sp.1 Agassiz 1838 lungfish