Fontllonga 3 (Paleocene of Spain)

Also known as Fontllonga-3

Where: Cataluña, Spain (42.0° N, 0.8° E: paleocoordinates 34.9° N, 0.1° E)

• coordinate estimated from map

• small collection-level geographic resolution

When: Unit 2 Member (Tremp Formation), Danian (66.0 - 61.6 Ma)

• Domingo et al. 2007: The Fontllonga-3 site belongs to the Tremp Formation which constitutes the last infilling episode of the Cretaceous basin. The Fontllonga-3 site is located near the top of Unit 2 of the Tremp Formation (Galbrun et al., 1993; Fig. 2).

•If Danian, it is unlikely to belong to "Unit 2."

•Earliest Danian, magnetochron C29r

•Galbrun et al. 1993 place this in Unit 2, beneath Unit 3 (= Vallcebre Limestone).

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; gray marl and red siltstone

• Domingo et al. 2007: It is a lenticular clay bed interpreted as an ox-bow lake fill, intercalated in the uppermost part of a thickening upward sequence of channelled sandstone bodies, up to 15 m thick, which shows lateral accretion (point bar structure) and sigmoidal stratification, indicating tidal influences. This sandstone unit can be correlated across the 30 km wide Ager syncline and has been interpreted as an upper estuary deposit (Álvarez-Sierra et al., 1994; López-Martínez et al., 1998). the Fontllonga-3 site experienced a warm, seasonally dry climate during the early Paleocene.
• a grey marl intercalated in reddish sandstones

Size classes: macrofossils, mesofossils

Primary reference: N. López-Martínez, L. Ardévol, M. E. Arribas and J. Civis González-Delgado. 1998. The geological record in non-marine environments around the K/T boundary (Tremp Formation, Spain). Bulletin de la Société Géologique de France 169(1):11-20 [M. Carrano/M. Carrano]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 154699: authorized by Philip Mannion, entered by Jonathan Tennant on 03.03.2014, edited by Matthew Carrano and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda indet.1 Cuvier 1797 snail
Ostracoda indet.1 Latreille 1802 ostracod
 Pycnodontiformes - Pycnodontidae
 Lepisosteiformes - Lepisosteidae
Lepisosteidae indet.1 Cuvier 1825 gar
 Loricata -
 Testudinata -
Testudinata indet. Oppel 1811 turtle
 Multituberculata - Kogaionidae
Hainina pyrenaica n. sp.2 Peláez-Campomanes et al. 2000 multituberculate
Charophyta indet.1 Migula 1890