Los Cayos S tracksite: Late Barremian - Early Aptian, Spain
collected 2003

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia
Moratalla and Hernán 2008
Reptilia
Hernán Martínez 2018
Pérez-Lorente 2015
Moratalla et al. 2003
Moratalla et al. 2003
but possibly narrow-gauged
    = Titanosaurimanus sp. Dalla Vecchia and Tarlao 2000
Moratalla and Hernán 2008
see common names

Geography
Country:Spain State/province:La Rioja County:Cornago
Coordinates: 42.1° North, 2.1° West (view map)
Paleocoordinates:29.4° North, 22.7° East (Wright 2013)
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period: Cretaceous Epoch: Early Cretaceous
Stage: Barremian 10 m.y. bin: Cretaceous 2
Key time interval: Late Barremian - Early Aptian
Age range of interval: 125.77 - 119.57 m.y. ago
Stratigraphy
Geological group:Enciso
Stratigraphic resolution:group of beds
Stratigraphy comments: 12 track-bearing levels; lowest of the Los Cayos sites
Lithology and environment
Primary lithology:desiccation cracks,bioturbation,very fine,fine,ferruginous,quartzose wackestone
Secondary lithology:bioturbation,ferruginous,shelly/skeletal sandy siltstone
Includes fossils?Y
Lithology description: level S1: fine-grained sandstone; theropod trackway; "a quartzose, fine-grained graywacke with iron crusts and bioturbation." level S2–S3: fine, fairly massive sandstone with convex molds of bivalves; some doubtful tracks level S4: fine sandstone; theropod trackway; "fine-grained graywacke, massive, with iron crusts and abundant mottling." levels S5–S8: possible tracks level S9: sauropod track; "a graywacke, locally very quartzose, very fine-fine grained...incomplete shrinkage cracks, ferruginous crusts, bioturbation, and fragments of unidentified fossils" level S10: intensely dinoturbated fine-grained sandstone; "a fine sandy siltstone (locally graywacke) with iron crusts, bivalves, and bioturbation"
Environment:lacustrine delta plain
Taphonomy
Modes of preservation:mold/impression,trace
Degree of concentration:concentrated
Size of fossils:macrofossils
Spatial orientation:life position
Preservation of anatomical detail:poor
Associated major elements:many
Disassociated major elements:some
Temporal resolution:snapshot
Spatial resolution:autochthonous
Collection methods and comments
Collection methods:surface (in situ),observed (not collected)
Reason for describing collection:general faunal/floral analysis
Collection dates:2003
Metadata
Also known as:LCS
Database number:85183
Authorizer:M. Carrano Enterer:M. Carrano
Modifier:M. Carrano Research group:vertebrate
Created:2008-12-05 11:42:59 Last modified:2025-02-22 15:12:02
Access level:the public Released:2008-12-05 11:42:59
Creative Commons license:CC0
Reference information

Primary reference:

28579.ETE J. J. Moratalla, J. L. Sanz, and S. Jiménez. 1988. Nueva evidencia icnologica de dinosaurios en el Cretácico Inferior de La Rioja (España) [New ichnological evidence of dinosaurs in the Lower Cretaceous of La Rioja (Spain)]. Estudios Geológicos 44:119-131 [M. Carrano/M. Carrano]

Secondary references:

69056 D. Castanera, V. F. Santos, L. Piñuela, C. Pascual, B. Vila, J. I. Canudo, and J. J. Moratalla. 2016. Iberian sauropod tracks through time: variations in sauropod manus and pes track morphologies. In P. L. Falkingham, D. Marty, & A. Richter (eds.), Dinosaur Tracks: The Next Steps 120-137 [M. Carrano/M. Carrano]
78671 J. Hernán and J. J. Moratalla. 2015. Estudio estratigráfico y de facies del yacimiento de icnitas de dinosaurios Sol de la Pita 1 en el Cretácico Inferior de la Cuenca de Cameros (Préjano, La Rioja, España) [Stratigraphic and facies study of the dinosaur tracksite Sol de la Pita 1 from the Lower Cretaceous of the Cameros Basin (Préjano, La Rioja, Spain)]. Boletín Geológico y Minero 125(4):437-454 [M. Carrano/M. Carrano]
82548 F. J. Hernán Martínez. 2018. Estratigrafía y Sedimentología de las Formaciones con Icnitas de Dinosaurios del Grupo Enciso (Cameros, La RIoja, Aptiense). Memoria [Stratigraphy and Sedimentology of the Formations with Dinosaur Footprints from the Enciso Group (Cameros, La Rioja, Aptian). Memoir]. 1-490 [M. Carrano/M. Carrano/M. Uhen]
28670ETE J. J. Moratalla, J. Hernán, and S. Jiménez. 2003. Los Cayos dinosaur tracksite: an overview on the Lower Cretaceous ichno-diversity of the Cameros Basin (Cornago, La Rioja province, Spain). Ichnos 10:229-240 [M. Carrano/M. Carrano/M. Carrano]
70568 J. J. Moratalla and J. Hernán. 2008. Los Cayos S y D: dos afloramientos con icnitas de saurópodos, terópodos y ornitópodos en el Cretácico inferior del área de Los Cayos (Cornago, La Rioja, España) [Los Cayos S and D: two sites with sauropod, theropod and ornithopod tracks from the Lower Cretaceous of the Los Cayos area (Cornago, La Rioja, Spain)]. Estudios Geológicos 64(2):161-173 [M. Carrano/M. Carrano]
78647 J. J. Moratalla and J. Hernán. 2010. Probable palaeogeographic influences of the Lower Cretaceous Iberian rifting phase in the Eastern Cameros Basin (Spain) on dinosaur trackway orientations. Palaeogeography, Palaeoclimatology, Palaeoecology 295(1-2):116-130 [M. Carrano/M. Carrano]
82174 F. Pérez-Lorente. 2015. Dinosaur Footprints and Trackways of La Rioja 1-363 [M. Carrano/M. Carrano]