Auf dem Heftgen, Syren (Triassic of Luxembourg)

Also known as SYREN 16561

Where: Luxembourg (49.6° N, 6.2° E: paleocoordinates 36.3° N, 8.2° E)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Rhaetian (208.5 - 201.3 Ma)

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; lenticular, pebbly, brown conglomerate

• "Lenticular bonebed: brown friable conglomerate, with siliceous pebbles reaching up to 8 cm in diameter."

Size classes: mesofossils, microfossils

Collected in 1996

Collection methods: bulk, chemical, hydrochloric, hydroflouric, sieve,

• bulk screenwashing for microvertebrates; HCl and HF plus moderate oxidation using dilute HNO2 and 12 micron filtration for palynology (sample SYREN 16561)

Primary reference: P. Godefroit, G. Cuny, D. Delsate and M. Roche. 1998. Late Triassic vertebrates from Syren (Luxembourg). Neues Jahrbuch für Geologie und Paläontologie, Abhandlungen 210(3):305-343 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 67895: authorized by Matthew Carrano, entered by Matthew Carrano on 14.12.2006

Creative Commons license: CC BY (attribution)

Taxonomic list

 Hybodontiformes - Hybodontidae
Hybodus cloacinus Quenstedt 1858 elasmobranch
MNHNL ko177
 Hybodontiformes -
Lissodus minimus Agassiz 1839 elasmobranch
MNHNL ko178
Lissodus lepagei Duffin 1993 elasmobranch
 Lamniformes - Cetorhinidae
Pseudocetorhinus pickfordi basking shark
MNHNL ko180
 Synechodontiformes - Palaeospinacidae
Nemacanthus monilifer Agassiz 1837 elasmobranch
Synechodus rhaeticus Duffin 1982 elasmobranch
MNHNL ko181
 Synechodontiformes -
""Hybodus" minor" = Rhomphaiodon minor
""Hybodus" minor" = Rhomphaiodon minor Agassiz 1837 elasmobranch
MNHNL ko179
 Palaeonisciformes - Palaeoniscidae
"Gyrolepis" "sp. 1" Agassiz 1843
"Subtype 1"
"Gyrolepis" "sp. 2" Agassiz 1843
"Subtype 2"
 Palaeonisciformes - Birgeriidae
"Birgeria" sp. Stensiö 1919
MNHNL ko182
 Holostei - Dapediidae
? Dapedium sp. Leach 1822
MNHNL ko154-155
 Semionotiformes - Callipurbeckiidae
? Paralepidotus sp. Stolley 1919
and/or Heterolepidotus
 Semionotiformes - Semionotidae
Sargodon tomicus Plieninger 1847
 Ionoscopiformes - Furidae
? Heterolepidotus sp. Egerton 1872
and/or Paralepidotus
 Diapsida -
? Diapsida indet. diapsid
MNHNL ko189
 Eosuchia -
Archosauriformes indet. Gauthier 1986 archosauromorph
MNHNL ko162
 Archosauria -
Archosauria indet. archosaur
MNHNL ko163
 Pterosauria - Campylognathoididae
aff. Eudimorphodon sp. Zambelli 1973 pterosaur
MNHNL ko161
 Phytosauria - Parasuchidae
"Phytosauridae indet." = Mystriosuchinae
"Phytosauridae indet." = Mystriosuchinae von Huene 1915 archosaur
MNHNL ko156-160
 Morganucodonta - Morganucodontidae
Morganucodontidae indet. Kuehne 1958 mammal
MNHNL ko175
 Holotheria -
Kuehneotherium sp. Kermack et al. 1968 mammal
MNHNL ko176, n. sp.
Tricuspes tapeinodon Godefroit and Battail 1997 mammal
MNHNL ko165
Tricuspes sigogneauae Hahn 1994 mammal
MNHNL ko164
 Allotheria -
Thomasia antiqua Plieninger 1847 mammal
MNHNL ko172-174
 Therapsida - Dromatheriidae
aff. Pseudotriconodon sp. Hahn et al. 1984 therapsid
MNHNL ko166-171
 Pinales - Cheirolepidiaceae
 Gymnospermophyta -
Alisporites sp. Daugherty 1941