Cañadon Asfalto Formation

Cañadon Asfalto Formation Stratigraphic range: Middle to Late Jurassic
Formation map and location
Type	Geological formation

The Cañadon Asfalto Formation is a Mesozoic geologic formation.

Vertebrate fauna

Amphibians

Amphibians reported from the Cañadon Asfalto Formation
Genus[1]	Species[1]	Location[1]	Stratigraphic position[1]	Material[1]	Notes[1]	Images
Notobatrachus	N. degiustoi	Patagonia	Cañadon Bagual	Many articulated mostly complete skeletons.	Can be distinguished from N. reigsi by features of the skull.
	N. reigsi	Patagonia	Cañadon Bagual	Most of a partially articulated skeleton and skull.	Can be distinguished from N. degiustoi by features of the skull.

Turtles

Turtles reported from the Cañadon Asfalto Formation
Genus[1]	Species[1]	Location[1]	Stratigraphic position[1]	Material[1]	Notes[1]	Images
Condorchelys	C. antiqua	Patagonia	Queso Rallado	Most of a skull, carapace, and plastron.	A stem turtle outside both extant groups.

Dinosaurs

Dinosaurs reported from the Cañadon Asfalto Formation
Genus	Species	Location	Stratigraphic position	Material	Notes	Images
Condorraptor[2]	C. currumili[2]	Central Patagonia[2]	La Chacritas[2]	Partial articulated skeleton[2]	A relative of Piatnitzkysaurus also from the formation.[2]
Eoabelisaurus[3]	E. mefi[3]	Central Patagonia[3]	Jugo Luco[3]	A nearly complete articulated skeleton[3]	A primitive abelisaurian about 6 to 6.5 m (20 to 21 ft) long.[3]
Manidens[4]	M. condorensis[4]	Central Patagonia[4]	Queso Rallado[4]	Partial articulated specimen[4]	A primitive and small heterodontosaurid.[4]
Patagosaurus[5]	P. fariasi[5]	Central Patagonia[5]	Cerro Condor[5]	Many specimens, including a partial skull.[5]	A non-neosauropodan eusauropodan, one of three from the formation.[5]
Piatnitzkysaurus	P. floresi			Two "fragmentary skulls with associated postcranium."[6]
Volkheimeria	V. chubutensis			"Partial skeleton consisting of presacral and sacral vertebrae, pelvis, [and] hindlimb."[7]

Mammals

Mammals reported from the Cañadon Asfalto Formation
Genus[1]	Species[1]	Location[1]	Stratigraphic position[1]	Material[1]	Notes[1]	Images
Argentoconodon	A. fariasorum	Patagonia	Queso Rallado	A isolated molariform.	Possibly a triconodontid.
Asfaltomylos	A. patagonicus	Patagonia	Queso Rallado	Dental remains.	Related to Henosferus in Henosferidae.
Henosferus	H. molus	Patagonia	Queso Rallado	Dental remains.	Related to Asfaltomylos in Henosferidae.

Plant remains

Genus[8]	Species[8]	Location[8]	Stratigraphic position[8]	Material[8]	Notes[8]	Images
Baculatisporites	B. comaumensis	Central Patagonia	Cañadon Lahuincó	Spores	Spores from the family Osmundaceae.
Dictyophyllidites	D. sp.	Central Patagonia	Cañadon Lahuincó	Spores	Spores of the family Osmundaceae.
Nevesisporites	N. cf. radiatus	Central Patagonia	Cañadon Lahuincó	Spores	Spores of the group Bryophyta.
cf. Rugulatisporites	cf. R. sp.	Central Patagonia	Cañadon Lahuincó	Spores	Spores of the family Osmundaceae.
Alisporites	A. similis	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Caytoniaceae.
	A. sp.	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Caytoniaceae.
Araucariacites	A. australis	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Araucariaceae.
	A. fissus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Araucariaceae.
Callialasporites	C. dampieri	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Araucariaceae.
	C. microvelatus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Araucariaceae.
	C. turbatus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Araucariaceae.
Cerebropollenites	C. macroverrucosus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Taxodiaceae.
Classopollis	C. classoides	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Cheirolepidiaceae.
	C. intrareticulatus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Cheirolepidiaceae.
	C. simplex	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Cheirolepidiaceae.
Exesipollenites	E. sp.	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Cheirolepidiaceae.
Perinopollenites	P. elatoides	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Podocarpaceae.
Phrixipollenites	P. sp.	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Podocarpaceae.
Podocarpadites	P. verrucosus	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Podocarpaceae.
	P. sp.	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Podocarpaceae.
Microcachryidites	M. castellanosii	Central Patagonia	Cañadon Lahuincó	Pollen	Pollen of the family Podocarpaceae.
Botryococcus	B. sp.	Central Patagonia	Cañadon Lahuincó	Algae	Algae of the family Botryococcaceae.
Ovoidites	O. spp.	Central Patagonia	Cañadon Lahuincó	Algae	Algae of the family Zygnemataceae.
Leiosphaeridia	L. sp.	Central Patagonia	Cañadon Lahuincó	Algae	Algae of the family Prasinophyceae.
Equisetites	E. approximatus	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the group Equisetales.
Cladophlebis	C. grahami	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Osmundaceae.
Sphenopteris	S. patagonica	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the group Filicales.
	S. hallei	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the group Filicales.
Scleropteris	S. furcata	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the group Pteridospermata.
Araucaritites	A. chuchensis	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Araucariaceae.
Pagiophyllum	P. divaricatum	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Araucariaceae.
	P. fiestmantelli	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Araucariaceae.
Elatoclaudus	E. conferta	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Podocarpaceae.
	E. jabalpurensis	Central Patagonia	Cañadon Lahincó	Plants	Plants of the family Podocarpaceae.
Athrotaxis	A. ungeri	Central Patagonia	Cañadon Lahuincó	Plants	Plants of the family Taxodiaceae.

See also

• List of dinosaur-bearing rock formations

Footnotes

1. Escapa, I.H.; Sterli, J.; Pol, D.; Nicoli, L. (2008). "Jurassic Tetrapods and Flora of Cañadon Asfalto Formation in Cerro Cóndor Area, Chubut Province" (PDF). Revista de la Asociación Geológica Argentina 63 (4): 613–624.
2. Rauhut, O.W.M. (2005). "Osteology and relationships of a new theropod dinosaur from the Middle Jurassic of Patagonia" (PDF). Palaeontology 48 (1): 87–110. doi:10.1111/j.1475-4983.2004.00436.x.
3. Diego Pol & Oliver W. M. Rauhut (2012). "A Middle Jurassic abelisaurid from Patagonia and the early diversification of theropod dinosaurs". Proceedings of the Royal Society B: Biological Sciences 279 (1804): 3170–5. doi:10.1098/rspb.2012.0660. PMC 3385738. PMID 22628475.
4. Pol, D.; Rauhut, O.W.M.; Becerra, M. (2011). "A Middle Jurassic heterodontosaurid dinosaur from Patagonia and the evolution of heterodontosaurids". Naturwissenschaften 98 (5): 369–379. doi:10.1007/s00114-011-0780-5. PMID 21452054.
5. Rahut, O.W.M. (2003). "A Dentary of Patagosaurus (Sauropoda) from the Middle Jurassic of Patagonia". Ameghiniana 40 (3): 425–432. ISSN 0002-7014.
6. "Table 4.1," in Weishampel, et al. (2004). Page 72.
7. "Table 13.1," in Weishampel, et al. (2004). Page 262.
8. Volkheimer, W.; Quattrocchio, M.; Cabaleri, N.; García, V. (2011). "Palynology and paleoenvironment of the Jurassic lacustrine Cañadón Asfalto Formation at Cañadón Lahuincó locality, Chubut Province, Central Patagonia, Argentina". Revista Española de Micropaleontología 40 (1-2): 77–96. ISSN 0556-655X.

References

• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp. ISBN 0-520-24209-2.