Barranc de la Posa (layer 76) (Cretaceous of Spain)

Also known as Barranco de la Posa

Where: Cataluña, Spain (42.1° N, 1.1° E: paleocoordinates 33.9° N, 1.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Arén Formation, Maastrichtian (72.1 - 66.0 Ma)

• "lignitic formation" older than limestones bearing Hippurites castroi

• bed-level stratigraphic resolution

Environment/lithology: terrestrial; gray marl

Size class: macrofossils

Collection methods: surface (in situ),

Primary reference: A. Liebau. 1973. El Maastrichtiense lagunar ("Garumniense") de Isona [The lagoonal Maastrichtian ("Garumnian") of Isona]. XIII Coloquio Europeo de Micropaleontología 87-112 [M. Carrano/M. Carrano]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 159019: authorized by Matthew Carrano, entered by Abree Murch on 25.07.2014, edited by Matthew Carrano

Creative Commons license: CC BY (attribution)

Taxonomic list

 Decapoda -
Decapoda indet. Latreille 1802 decapod
? Cyprinotus sp. Brady 1886 ostracod
 Podocopida -
Gastropoda indet. Cuvier 1797 snail
 Rissooidea - Vitrinellidae
Vitrinella "sp. 1" Adams 1850 snail
 Sorbeoconcha - Thiaridae
Pyrgulifera sp. Meek 1877 snail
 Sorbeoconcha - Melanopsidae
 Sorbeoconcha - Pachychilidae
Melanatria sp. Bowdich 1822 snail
 Pulmonata - Anadromidae
Lychnus sp. Matheron 1832 slug
 Basommatophora - Physidae
"Physa" sp. Draparnaud 1801 pulmonate
Reptilia indet. Laurenti 1768 reptile
 Charales - Characeae
? Chara sp. Linnaeus 1753 stonewort
Plantae indet. Haeckel 1866
Calcareous root casts?