Murteiras, Foz do Arelho (Jurassic to of Portugal)

Where: Centro, Portugal (39.5° N, 9.2° W: paleocoordinates 33.6° N, 1.2° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Lourinhã Formation, Late/Upper Kimmeridgian to Late/Upper Kimmeridgian (155.7 - 145.0 Ma)

• "? middle Upper Kimmeridgian" in Galton 1991 but could be either Alcobaça or Bombarral Fm.

•Lourinhã Fm is considered late Kimmeridgian-late Tithonian and it incorporates the Alcobaça Fm (Kimmeridgian) and the Bombarral Fm (also known as Grés Superiores; late Tithonian-early Berrisian). Taylor et al. 2013 suggested the Lourinhã Fm be subdivided into members, but Mateus et al. 2017 proposed a revised stratiraphy of the Luisitanian Basin. The Alcobaça Formation is Late Kimmeridigan and overlain by the Lourinha Formation. The Lourinhã Formation is made up of the Praia da Amoreira and Porto Novo (late Kimmeridgian) members, Praia Azul member (latest Kimmeridgian–earliest Tithonian) and the Assenta member (late Tithonian-earliest Berrisian). The Lourinha Formation is overlain by the Porto da Calada Formation (Berrisian).

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray claystone

• "gray clay"

Size classes: macrofossils, mesofossils

Collected by P. Carreira de Deus in 1945

Collection methods: quarrying, mechanical,

• discovered by P. Carreira de Deus

Primary reference: A. F. d. Lapparent and G. Zbyszewski. 1957. Les dinosauriens du Portugal [The dinosaurs of Portugal]. Mémoires des Services Géologiques du Portugal, nouvelle série 2:1-63 [M. Carrano/M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 49219: authorized by Matthew Carrano, entered by Matthew Carrano on 11.04.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Reptilia
 Ornithischia - Stegosauridae
Dacentrurus sp., "Omosaurus armatus" = Dacentrurus armatus
Dacentrurus sp. Lucas 1902 ornithischian
MSGP B = MIGM 4861 (cervical & dorsal vertebrae), MIGM 4855, MIGM 4858, MIGM 4864 (caudal vertebrae), MIGM 5782 (ilio-sacral block), MIGM 4977 (L femur), MIGM 4876 & MIGM 4878 (dermal armor)
"Omosaurus armatus" = Dacentrurus armatus Marsh 1877 ornithischian
vertebrae
 Theropoda -
Megalosaurus insignis Eudes-Deslongchamps and Lennier 1870 theropod
6 teeth
 Saurischia - Camarasauridae
"Apatosaurus alenquerensis" = Lourinhasaurus alenquerensis
"Apatosaurus alenquerensis" = Lourinhasaurus alenquerensis Lapparent and Zbyszewski 1957 camarasaurid
humerus
 Loricata -
Crocodylia indet. crocodilian
 Testudinata -
Actinopteri
 Lepisosteiformes -
Lepidotes sp. Agassiz 1832 gar
unclassified
  -
Plantae indet. Haeckel 1866