Calizas de Lychnus Formation
Stratigraphic range: Maastrichtian
Type	Geological formation
Lithology
Primary	Limestone
Other	Mudstone
Location
Coordinates	41°54′N 3°24′W / 41.9°N 3.4°W / 41.9; -3.4
Approximate paleocoordinates	34°06′N 3°00′W / 34.1°N 3.0°W / 34.1; -3.0
Region	Castille and Leon
Country	Spain
Calizas de Lychnus Formation (Spain)

The Calizas de Lychnus Formation is a Maastrichtian geologic formation in northern central Spain. Dinosaur remains diagnostic to the genus level are among the fossils that have been recovered from the formation. ^[1]

Fossil content

Dinosaurs

• cf. Euronychodon sp.
• cf. Paronychodon sp. ( ?Troodontidae indet.)
• ?Hypselosaurus sp.
• Nodosauridae indet.
• Rhabdodontidae indet.
• Titanosauridae indet.
• Dinosauria indet.
• Sauropoda indet.
• ?Dromaeosauridae indet.

Invertebrates

• Bithynella sp.
• Physa cf. patula

Fish

• Actinopterygii indet.

Other reptiles

• Acynodon lopezi
• Crocodylia indet.
• Eusuchia indet.
• Testudines indet.

Mammals

• Labes quintanillensis
• ?Palaeoryctidae indet.

Flora

• Typha sp.
• Arecaceae indet.
• Charophyta indet.

See also

• List of dinosaur-bearing rock formations
  • List of stratigraphic units with few dinosaur genera

References

Bibliography

• Weishampel, David B.; Dodson, Peter; and Osmólska, Halszka (eds.): The Dinosauria, 2nd, Berkeley: University of California Press. 861 pp.  ISBN  0-520-24209-2
• C. Pol, A. D. Buscalioni, J. Carballeira, V. Francés, N. López Martínez, B. Marandat, J. J. Moratalla, J. L. Sanz, B. Sigé and J. Villatte. 1992. Reptiles and mammals from the Late Cretaceous new locality Quintanilla del Coco (Burgos Province, Spain). Neues Jahrbuch für Geologie und Paläontologie - Abhandlungen 184(3):279-314
• J. L. Sanz, A. D. Buscalioni, J. J. Moratalla, V. Francés, and M. Antón. 1990. Los reptiles Mesozoicos del registro español [The Mesozoic reptiles from the Spanish record]. Monografias del Museo Nacional de Ciencias Naturales 2:1-79