Laño L1B (S2U1) (Cretaceous of Spain)

Where: Castilla y Leon, Spain (42.7° N, 2.6° W: paleocoordinates 33.0° N, 0.1° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Vitoria Formation, Late/Upper Campanian (83.5 - 70.6 Ma)

• separated from underlying S1U3 by an unconformity, level also called L1B

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; dolomitic, sandy limestone

• unit begins with marine sediments passing upwards to continental rocks
• marine sediments passing upward to continental rocks. Mainly calcareous-dolomite composition, lacking, in general, current structures. Calcarenites and calcirudites

Size classes: mesofossils, microfossils

Collection methods: sieve,

Primary reference: H. Astibia, E. Buffetaut, A. D. Buscalioni, H. Cappetta, C. Corral, R. Estes, F. Garcia-Garmilla, J. J. Jaeger, E. Jiminez-Fuentes, J. Le Loeuff, J. M. Mazin, X. Orue-Etexebarria, J. Pereda-Suberbiola, J. E. Powell, J. C. Rage, J. Rodriguez-Lazaro, J. L. Sanz and H. Tong. 1990. The fossil vertebrates from the Lano (Basque Country, Spain); new evidence on the composition and affinities of the Late Cretaceous continental faunas of Europe. Terra Nova 2:460-466 [J. Alroy/E. Leckey/E. Leckey]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 28765: authorized by John Alroy, entered by Erin Leckey on 24.02.2003, edited by Matthew Carrano, Jonathan Tennant and Philip Mannion

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Sclerorhynchiformes - Sclerorhynchidae
Ganopristis leptodon Arambourg 1935 elasmobranch
 Myliobatiformes - Rhombodontidae
Rhombodus binkhorsti Dames 1881 stingray
 Lamniformes - Cretoxyrhinidae
Cretolamna sp. Glikman 1958 mackerel shark
Cretolamna appendiculata Agassiz 1843 mackerel shark
Actinopteri
 Lepisosteiformes - Lepisosteidae
Atractosteus sp.2 Rafinesque 1820 gar
Reptilia
 Testudines - Dortokidae
Dortoka vasconica2 Lapparent de Broin and Murelaga 1996 turtle
 Testudinata - Helochelydridae
Solemys vermiculata2 Lapparent de Broin and Murelaga 1996 turtle
 Saurischia -
Lirainosaurus astibiae2 Sanz et al. 1999 sauropod
Theropoda "indet. 2"3 Marsh 1881 theropod
MCNA 1853, 14522, teeth
Theropoda "indet. 1"3 Marsh 1881 theropod
 Avetheropoda -
Coelurosauria indet.3 coelurosaur
MCNA 14523–14565, teeth
 Avetheropoda - Dromaeosauridae
? Dromaeosauridae indet.3 Colbert and Russell 1969 coelurosaur
MCNA 14622
? Richardoestesia sp.3 Currie et al. 1990 coelurosaur
sixty-four isolated teeth (MCNA 14566–14621)
? Pyroraptor olympius3 Allain and Taquet 2000 coelurosaur
Four teeth (MCNA 14623–14626)
Aves
 Ornithothoraces -
Gargantuavis philoinos1 Buffetaut and Le Loeuff 1998 bird
MCNA 2583
Reptilia
 Ornithischia - Nodosauridae
Struthiosaurus sp.2 Bunzel 1870 ornithischian
 Neornithischia - Rhabdodontidae
Rhabdodon sp.2 Matheron 1869 rhabdodontid
 Pterosauria - Azhdarchidae
cf. Azhdarcho sp.2 Nessov 1981 pterosaur
 Loricata - Allodaposuchidae
Musturzabalsuchus buffetauti2 Buscalioni et al. 1997 crocodilian
 Loricata - Hylaeochampsidae
Acynodon iberoccitanus2 Buscalioni et al. 1997 crocodilian
 Squamata - Madtsoiidae
"Madtsoia laurasiae" = Menarana laurasiae2
"Madtsoia laurasiae" = Menarana laurasiae2 Rage 1996 snake