Santuario Schoenstatt, Santa Cruz do Sol fauna (Triassic of Brazil)

Also known as Schoenstadt

Where: Rio Grande do Sul, Brazil (29.7° S, 52.5° W: paleocoordinates 46.7° S, 13.9° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Santacruzodon other zone, Santa Maria Formation (Rosário do Sul Group), Carnian (237.0 - 228.0 Ma)

• "Santa Cruz do Sul Fauna"; so-called "Santacruzodon Assemblage Zone" of the lower Santa Maria Formation (Santa Maria Sequence 1 of the Santa Maria Supersequence).

•Originally identified as Ladinian. However, Melo et al. (2015) noted that U-Pb dating suggests an early Carnian age for the Santacruzodon Assemblage Zone

Environment/lithology: "floodplain"; concretionary, red, carbonaceous mudstone and fine-grained sandstone

Size class: macrofossils

Collected by Schultz, Langer in 1995, 1997, 1998

• MCN-PV: Museu de Ciências e Tecnologia, Pontifïcia Universidade Católica do Rio Grande do Sul, Porto Alegre, Brazil

Primary reference: F. Abdala, A. M. Rebeiro, and C. L. Schultz. 2001. A rich cynodont fauna of Santa Cruz do Sul, Santa Maria Formation (Middle-Late Triassic), southern Brazil. Neues Jahrbuch für Geologie und Paläontologie, Montashefte 2001(11):669-687 [R. Butler/R. Butler]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 98598: authorized by Richard Butler, entered by Richard Butler on 14.10.2010, edited by Emma Dunne

Creative Commons license: CC BY (attribution)

Taxonomic list

Osteichthyes
 Therapsida -
cf. Probainognathus sp.8 Romer 1970 cynodont
UFRGS-PV1121T
Santacruzgnathus abdalai n. gen. n. sp.5 Martinelli et al. 2016 cynodont
UFRGS-PV-1121-T (Holotype: partial right lower jaw with the last postcanine)
 Therapsida - Chiniquodontidae
Chiniquodon sp.2 Huene 1936 cynodont
MCN PV 2756, skull fragment, 2755, lower jaw, 2757, isolated humerus
 Therapsida - Traversodontidae
Menadon besairiei6 Flynn et al. 2000 cynodont
Santacruzodon hopsoni n. gen. n. sp.1 Abdala and Ribeiro 2003 cynodont
MCN PV 2768 (holotype), partial skull. MCN PV 2751, 2752, 4044, 2770, 4034, cranial remains
Massetognathus ochagaviae7 Barbarena 1974 cynodont
UFRGS-PV-0712-T (according to Schmitt et al. 2019; originally Massetognathus sp. under Abdala and Ribeiro, 2010)
Reptilia
 Loricata -
Dagasuchus santacruzensis n. gen. n. sp.4
Dagasuchus santacruzensis n. gen. n. sp.4 Lacerda et al. 2015 archosaur
UFRGS-PV-1244-T, left ilium; UFRGS-PV-1245-T, right and left ischium
 Diapsida - Proterochampsidae
Rhadinosuchinae indet.3 Hofstetter 1955 archosauromorph
"a rhadinosuchid archosaur"