Rio Colorado Formation

Rio Colorado Formation
Type Geological formation
Location
Country  Argentina

The Rio Colorado Formation is a Mesozoic geologic formation. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation.[1]

Paleofauna

Ornithischians

Ornithischians reported from the Rio Colorado Formation
Genus Species Province Stratigraphic position Material Notes Images

Gasparinisaura[2]

G. cincosaltensis[2]

"Skull and postcranial skeleton, postcranial elements, juvenile to subadult."[3]
Gasparinisaura

Sauropods

Titanosaur eggs are known from Neuquen province.[4]

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
 Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Sauropods reported from the Rio Colorado Formation
Genus Species Province Stratigraphic position Material Notes Images

Antarctosaurus[2]

A. wichmannianus[2]
Antarctosaurus
Saltasaurus

Argyrosaurus[4]

Indeterminate[4]

Loricosaurus[5]

L. scutatus[5]

Macrurosaurus[6]

Indeterminate[6]

Microcoelus[4]

M. patagonicus[4]

Possible synonym of Neuquensaurus

Neuquensaurus[7]

N. australis[7]

Saltasaurus[2]

S. robustus[2]

Titanosaurus[7]

T. nanus[7]

Theropods

Theropods reported from the Rio Colorado Formation
Genus Species Province Stratigraphic position Material Notes Images

Abelisaurus[2]

A. comahuaensis[2]

"Partial skull."[8]
Aucasaurus

Alvarezsaurus[4]

A. calvoi[4]

"Partial postcranial skeleton."[9]

Aucasaurus[4]

A. garridoi[4]

"Nearly complete skeleton."[8]

Neuquenornis[4]

N. volans[4]

"Partial skeleton."[10]

Patagopteryx[4]

P. deferrariisi[4]

"Many skeletons."[11]

Velocisaurus[4]

V. unicus[4]

"Partial hind limb."[8]

See also

Footnotes

  1. ↑ Weishampel, et al. (2004). "Dinosaur distribution." Pp. 603-604.
  2. ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 2.8 2.9 2.10 2.11 2.12 2.13 2.14 2.15 "63.10 Provincia de Río Negro, Argentina; 4. Río Colorado Formation," in Weishampel, et al. (2004). Page 604.
  3. ↑ "Table 18.1," in Weishampel, et al. (2004). Page 395.
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 4.12 4.13 4.14 4.15 4.16 4.17 4.18 4.19 4.20 4.21 4.22 4.23 4.24 "63.6 Provincia de Neuquén, Argentina; 3. Río Colorado Formation," in Weishampel, et al. (2004). Page 603.
  5. ↑ 5.0 5.1 Listed as "?Loricosaurus scutatus" in "63.6 Provincia de Neuquén, Argentina; 3. Río Colorado Formation" and "63.10 Provincia de Río Negro, Argentina; 4. Río Colorado Formation," in Weishampel, et al. (2004). Pages 603-604.
  6. ↑ 6.0 6.1 Listed as "cf. Macrurosaurus sp." in "63.10 Provincia de Río Negro, Argentina; 4. Río Colorado Formation," in Weishampel, et al. (2004). Page 604.
  7. ↑ 7.0 7.1 7.2 7.3 "63.6 Provincia de Neuquén, Argentina; 3. Río Colorado Formation" and "63.10 Provincia de Río Negro, Argentina; 4. Río Colorado Formation," in Weishampel, et al. (2004). Pages 603-604.
  8. ↑ 8.0 8.1 8.2 "Table 3.1," in Weishampel, et al. (2004). Page 49.
  9. ↑ "Table 11.1," in Weishampel, et al. (2004). Page 211.
  10. ↑ "Table 11.1," in Weishampel, et al. (2004). Page 213.
  11. ↑ "Table 11.1," in Weishampel, et al. (2004). Page 212.

References