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 Species Location Stratigraphic position Material Notes Images

Notobatrachus

N. degiustoi

Patagonia

Cañadon Bagual

Many articulated, mostly complete skeletons.[1]

Can be distinguished from N. reigsi by features of the skull.

N. reigsi

Patagonia

Cañadon Bagual

Most of a partially articulated skeleton and skull.[1]

Can be distinguished from N. degiustoi by features of the skull.

Turtles

Turtles reported from the Cañadon Asfalto Formation
Genus Species Location Stratigraphic position Material Notes Images

Condorchelys

C. antiqua

Patagonia

Queso Rallado

Most of a skull, carapace, and plastron.[1]

A stem turtle outside both extant groups.

Pterosaurs

Amphibians reported from the Cañadon Asfalto Formation
Genus Species Location Stratigraphic position Material Notes Images

Allkaruen

A. koi

Patagonia

Canadón Carrizal

A braincase, as well as a mandible and cervical vertebrae.[2]

Dinosaurs

Dinosaurs reported from the Cañadon Asfalto Formation
Genus Species Location Stratigraphic position Material Notes Images

Condorraptor

C. currumili

Central Patagonia

La Chacritas

Partial articulated skeleton.[3]

A relative of Piatnitzkysaurus (also from this formation).

Eoabelisaurus

E. mefi

Central Patagonia

Jugo Luco

A nearly complete articulated skeleton.[4]

A primitive abelisaurian about 6 to 6.5 m (20 to 21 ft) long.

Manidens

M. condorensis

Central Patagonia

Queso Rallado

Partial articulated specimen.[5]

A primitive and small heterodontosaurid.

Patagosaurus

P. fariasi

Central Patagonia

Cerro Condor

Many specimens, including a partial skull.[6]

A non-neosauropodan eusauropodan, one of three from the formation.

Piatnitzkysaurus

P. floresi

Two "fragmentary skulls with associated postcranium."[7]

Volkheimeria

V. chubutensis

"Partial skeleton consisting of presacral and sacral vertebrae, pelvis, [and] hindlimb."[8]

Mammals

Mammals reported from the Cañadon Asfalto Formation
Genus Species Location Stratigraphic position Material Notes Images

Argentoconodon

A. fariasorum

Patagonia

Queso Rallado

Jaws and several post-cranial elements.[9]

A volaticotherian.

Asfaltomylos

A. patagonicus

Patagonia

Queso Rallado

Dental remains.[1]

Related to Henosferus in Henosferidae.

Henosferus

H. molus

Patagonia

Queso Rallado

Dental remains.[1]

Related to Asfaltomylos in Henosferidae.

Condorodon

C. spanios

Patagonia

Queso Rallado

Dental remains.

An "amphilestid".[10]

Plant remains

Genus Species Location Stratigraphic position Material Notes Images

Baculatisporites

B. comaumensis

Central Patagonia

Cañadon Lahuincó

Spores.[11]

Spores from the family Osmundaceae.

Dictyophyllidites

D. sp.

Central Patagonia

Cañadon Lahuincó

Spores.[11]

Spores of the family Osmundaceae.

Nevesisporites

N. cf. radiatus

Central Patagonia

Cañadon Lahuincó

Spores.[11]

Spores of the group Bryophyta.

cf. Rugulatisporites

cf. R. sp.

Central Patagonia

Cañadon Lahuincó

Spores.[11]

Spores of the family Osmundaceae.

Alisporites

A. similis

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Caytoniaceae.

A. sp.

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Caytoniaceae.

Araucariacites

A. australis

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Araucariaceae.

A. fissus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Araucariaceae.

Callialasporites

C. dampieri

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Araucariaceae.

C. microvelatus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Araucariaceae.

C. turbatus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Araucariaceae.

Cerebropollenites

C. macroverrucosus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Taxodiaceae.

Classopollis

C. classoides

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Cheirolepidiaceae.

C. intrareticulatus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Cheirolepidiaceae.

C. simplex

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Cheirolepidiaceae.

Exesipollenites

E. sp.

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Cheirolepidiaceae.

Perinopollenites

P. elatoides

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Podocarpaceae.

Phrixipollenites

P. sp.

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Podocarpaceae.

Podocarpadites

P. verrucosus

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Podocarpaceae.

P. sp.

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Podocarpaceae.

Microcachryidites

M. castellanosii

Central Patagonia

Cañadon Lahuincó

Pollen.[11]

Pollen of the family Podocarpaceae.

Botryococcus

B. sp.

Central Patagonia

Cañadon Lahuincó

Algae.[11]

Algae of the family Botryococcaceae.

Ovoidites

O. spp.

Central Patagonia

Cañadon Lahuincó

Algae.[11]

Algae of the family Zygnemataceae.

Leiosphaeridia

L. sp.

Central Patagonia

Cañadon Lahuincó

Algae.[11]

Algae of the family Prasinophyceae.

Equisetites

E. approximatus

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the group Equisetales.

Cladophlebis

C. grahami

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Osmundaceae.

Sphenopteris

S. patagonica

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the group Filicales.

S. hallei

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the group Filicales.

Scleropteris

S. furcata

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the group Pteridospermata.

Araucaritites

A. chuchensis

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Araucariaceae.

Pagiophyllum

P. divaricatum

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Araucariaceae.

P. fiestmantelli

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Araucariaceae.

Elatoclaudus

E. conferta

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Podocarpaceae.

E. jabalpurensis

Central Patagonia

Cañadon Lahincó

Plants.[11]

Plants of the family Podocarpaceae.

Athrotaxis

A. ungeri

Central Patagonia

Cañadon Lahuincó

Plants.[11]

Plants of the family Taxodiaceae.

See also

Footnotes

  1. 1 2 3 4 5 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. ↑ Codorniú, L.; Carabajal, A.P.; Pol, D.; Unwin, D.; Rauhut, O.W.M (2016). "A Jurassic pterosaur from Patagonia and the origin of the pterodactyloid neurocranium". PeerJ. 4: e2311. doi:10.7717/peerj.2311.
  3. ↑ 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.
  4. ↑ 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 3385738Freely accessible. PMID 22628475.
  5. ↑ 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.
  6. ↑ Rahut, O.W.M. (2003). "A Dentary of Patagosaurus (Sauropoda) from the Middle Jurassic of Patagonia". Ameghiniana. 40 (3): 425–432. ISSN 0002-7014.
  7. ↑ "Table 4.1," in Weishampel, et al. (2004). Page 72.
  8. ↑ "Table 13.1," in Weishampel, et al. (2004). Page 262.
  9. ↑ Gaetano, L.C.; Rougier, G.W. (2011). "New materials of Argentoconodon fariasorum (Mammaliaformes, Triconodontidae) from the Jurassic of Argentina and its bearing on triconodont phylogeny". Journal of Vertebrate Paleontology. 31 (4): 829–843. doi:10.1080/02724634.2011.589877.
  10. ↑ L. C. Gaetano and G. W. Rougier. 2012. First amphilestid from South America: a molariform from the Jurassic Cañadón Asfalto Formation, Patagonia, Argentina. Journal of Mammalian Evolution
  11. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 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

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