Where: Neuquen, Argentina (38.7° S, 69.9° W: paleocoordinates 38.2° S, 33.7° W)
• coordinate stated in text
When: Agrio Formation (Mendoza Group), Early/Lower Hauterivian (136.4 - 130.0 Ma)
Environment/lithology: shoreface; lithified, silty, calcareous sandstone and gray, green shale
Size class: macrofossils
Primary reference: E.G. Kauffman and H.A. Leanza. 2004. A Remarkable New Genus of Mytilidae (Bivalvia) from the Lower Cretaceous of Southwestern Gondwanaland. Journal of Paleontology 78(6):1187-1191 [L. Ivany/P. Wall/P. Wall]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 47202: authorized by Linda Ivany, entered by Patrick Wall on 18.02.2005, edited by Sabine Nürnberg
Creative Commons license: CC BY (attribution)
Taxonomic list
Anthozoa | |
Anthozoa indet. Ehrenberg 1834 | |
Polychaeta | |
Serpulidae indet. Rafinesque 1835 | |
Bivalvia | |
Nodomytilus trigonimimus n. gen. n. sp.
Nodomytilus trigonimimus n. gen. n. sp. Kauffman and Leanza 2004 mussel | |
Gervillaria alaeformis Sowerby 1819 oyster
Gervillia anceps oyster | |
Pinna robinaldina d'Orbigny 1844 oyster | |
Pecten vacaensis scallop | |
Cucullaea gabrielis clam | |
Astarte elongata clam
Eriphyla argentina Burckh and Weaver 1907 clam | |
Ptychomya koeneni clam | |
Panopea dupiniana clam
Panopea neocomiensis clam | |
Pholadomya gigantea Sowerby 1836 clam | |
Steinmanella (Transitrigonia) raimondii, Steinmanella (Transitrigonia) transitoria, "Steinmanella (Macrotrigonia) pehuenmapuensis" = Neuquenella pehuenmapuensis, Myophorella garatei, Myophorella (Haidaia) volkheimeri
Steinmanella (Transitrigonia) transitoria Steinmann 1881 clam
"Steinmanella (Macrotrigonia) pehuenmapuensis" = Neuquenella pehuenmapuensis Leanza 1998 clam
Myophorella garatei clam | |
Trigonia weidmanni, Trigonia aliexpandita, Trigonia carinata, Rutitrigonia kauffmani, "Pholadomya agrioensis" = Rutitrigonia agrioensis
Trigonia weidmanni clam
Trigonia carinata clam
"Pholadomya agrioensis" = Rutitrigonia agrioensis Weaver 1931 clam | |
Gastropoda | |
Acteon andinus snail | |
Tylostoma jaworskii snail | |
Natica cf. bulimoides moon snail | |
Turritella aff. lineolata Roemer 1841 turret shell | |
Cerithium cf. heeri cerith snail | |
Pleurotomaria gerthi snail | |
Cephalopoda | |
Holcoptychites neuquensis Douvillé 1910 ammonite | |
Lyticoceras pseudoregale, Pseudofavrella angulatiformis, "Acanthodiscus" vaceki, Acanthodiscus cf. radiatus
Lyticoceras pseudoregale ammonite
Pseudofavrella angulatiformis ammonite
"Acanthodiscus" vaceki ammonite
Acanthodiscus cf. radiatus Bruguiére 1792 ammonite | |
Crinoidea | |
| |
Echinoidea | |
Echinoidea indet. Leske 1778 sea urchin |