Estancia Laguna Manantiales tracksite (9.2 m) (Jurassic to of Argentina)

Where: Santa Cruz, Argentina (47.6° S, 68.1° W: paleocoordinates 44.2° S, 27.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: La Matilde Formation, Callovian to Callovian (166.1 - 157.3 Ma)

• "Matildense"; "probably" lower-middle Callovian but could be Oxfordian

• bed-level stratigraphic resolution

Environment/lithology: eolian; tuffaceous, green, red, white sandstone

• "desert environment"
• "white, greenish or pinkish tuffaceous sandstone"; "impressed in tuffaceous, parallel-stratified, very fine-grained sandstone and overlain by similar layers."

Size class: macrofossils

Preservation: cast, mold/impression, trace

Collected by R. M. Casamiquela, J. F. Bonaparte in 1960-1980; reposited in the MLP

Collection methods: surface (in situ),

Primary reference: R. M. Casamiquela. 1961. Sobre la presencia de un mamífero en el primer elenco (icnologico) de vertebrados del Jurásico de la Patagonia [On the presence of a mammal on the first vertebrate cast (ichnological) from the Jurassic of Patagonia]. Physis 22(63):225-233 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 85570: authorized by Matthew Carrano, entered by Matthew Carrano on 09.01.2009

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Insecta
 Dicondylia -
? Coleoptera indet.4
? Coleoptera indet.4 Linnaeus 1758 beetle
trackway
Mammalia
  -
Ameghinichnus patagonicus n. gen. n. sp., Ameghinichnus manantialensis n. sp.2
Ameghinichnus patagonicus n. gen. n. sp. Casamiquela 1961 mammal
MLP 60-X-31-1, 3-4, 8, 10, 13-15, 65-XI-12-1, 4, 65-XI-13-1, 8; PVL 2300-2304, 2742, 2743, 3684-85, 3688-89, 3691-96, 3698-99; MACN 18.528, 18.616-623, 18.628
Ameghinichnus manantialensis n. sp.2 De Valais 2009 mammal
MLP 60-X-31-13, 65-XI-12-1, MPEF-IC 1028, MPM-Pic-2098
Reptilia
 Ornithischia -
Delatorrichnus goyenechei n. gen. n. sp.1
Delatorrichnus goyenechei n. gen. n. sp.1 Casamiquela 1964 ornithischian
MLP 60-X-31-6, 7, 65-XI-12-1/1, 1/2, 1/3; MACN 18.615; PVL 3677, 3690, 3682
 Theropoda - Grallatoridae
? Grallator sp.3
? Grallator sp.3 Hitchcock 1858 theropod
MLP 60-X-31-12
 Theropoda -
Sarmientichnus scagliai n. gen. n. sp.1, Wildeichnus navesi n. gen. n. sp.1
Sarmientichnus scagliai n. gen. n. sp.1 Casamiquela 1964 theropod
MLP 60-X-31-1-A, B, C, 2, 65-XI-12-1
Wildeichnus navesi n. gen. n. sp.1 Casamiquela 1964 theropod
MLP 60-X-31-5, 9, 11, 65-XI-12-1, 1/2; PVL 2302B, 2305, 3700, 3701
1Casamiquela 1964; 2De Valais 2009; 3de Valais 2011; 4Leonardi 1994