The Quiricó Formation is a geological formation of the Areado Group in Minas Gerais, Brazil whose strata date back to the Early Cretaceous (Aptian).Sgarbi, 2000 Many occurrences of fossils are reported in the lacustrine deposits of the Quiricó Formation.

Fossil content

Dinosaurs

Sauropods Sauropods of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Rebbachisauridae indet. IndeterminateVertebral fragments. Tapuiasaurus T. macedoiPartial articulated specimen including complete skull. A titanosaurian sauropod.

Theropoda Theropods of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Abelisauridae indet.Carvalho and Santucci, 2018 IndeterminateIsolated teeth. Carcharodontosauridae indet. IndeterminateIsolated tooth. Noasauridae indet. IndeterminatePartial right hindlimb.Undescribed. Spectrovenator S. rageiPartially articulated specimen including complete skull. An abelisaurid theropod.

Pterosaurs Pterosaurs of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Ornithocheiromorpha indet. Indeterminate Municipality of Presidente Olegário An isolated tooth. Probably a member of ornithocheiriformes.

Crocodylomorphs Crocodylomorphs of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Thilastikosuchus T. scutorectangularis Articulated skull and partially articulated specimen. A candidodontid notosuchian.

Squamates Squamates of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Cryptobicuspidon C. pachysymphysealis Partial dentaries. A polyglyphanodontid lizard. Neokotus N. sanfranciscanus Partial skeleton including skull elements. A paramacellodid lizard.

Crustaceans Crustaceans of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Alicenula A. longiformis A ostracod. Penthesilenula P. pintoi A ostracod. Platyestheria P. abaetensis A clam shrimp. Timiriasevia T. sanfranciscanensis A ostracod.

Fish Fishes of the Quiricó Formation Genus Species Location Stratigraphic position Material Notes Images Amiidae Indet. Ineterminate Aspidorhynchidae Indet. Indeterminate FrancischanosSantos, 1955 F. moraesi A chanid fish. LaeliichthysSantos, 1985 L. ancentralis An osteoglossomorph fish. Dipnoi Indet. Indeterminate Hybodontiformes Indet. Indeterminate Lepisosteidae Indet. Indeterminate Mawsonia M. gigas A mawsoniid coelacanth Semionotiformes Indet. Indeterminate Tribodus T. sp. A hybodontLonchidionoidesL.sp.9 isolated teeth

References

Bibliography