INVESTIGADORES
CERDA Ignacio Alejandro
artículos
Título:
Gastroliths in an ornithopod dinosaur
Autor/es:
IGNACIO A. CERDA
Revista:
ACTA PALAEONTOLOGICA POLONICA
Editorial:
INST PALEOBIOLOGII PAN
Referencias:
Año: 2008 vol. 53 p. 351 - 351
ISSN:
0567-7920
Resumen:
Gastroliths (stomach stones) are known from many extant and extinct vertebrates, including dinosaurs. Reported here is the first unambiguous record of gastroliths in an ornithopod dinosaur. Clusters of small stones found in the abdominal region of three articulated skeletons of Gasparinisaura cincosaltensis were identified as gastroliths on the basis of taphonomic and sedimentologic evidence. The large number of stones found in each individual, their size, and the fact that Gasparinisaura cincosaltensis was herbivorous, all sug gest that they were ingested as a result of lithophagy rather than accidental swallowing.