Pernambuco: Danian, Brazil

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Reptilia - Dyrosauridae
Dyrosauridae indet. Stefano 1903
Hastings and Bloch 2008
Three partial mandibles; one includes surangular, articular, and angular; another includes teeth and associated maxillary fragments
Reptilia
Hyposaurus derbianus n. sp. Cope 1885
MN - type (left malar and quadratojugals, nearly complete lower jaw, several vertebrae, humerus, coracoid and several dermal bones); isolated teeth too
see common names

Geography
Country:Brazil State/province:Pernambuco
Coordinates: 7.9° South, 34.9° West (view map)
Paleocoordinates:11.7° South, 20.9° West
Basis of coordinate:based on political unit
Geographic resolution:small collection
Time
Period:Paleogene Epoch:Paleocene
Stage:Danian 10 m.y. bin:Cenozoic 1
Key time interval:Danian
Age range of interval:66.00000 - 61.60000 m.y. ago
Stratigraphy
Formation:Maria Farinha
Stratigraphic resolution:bed
Stratigraphy comments: Originally thought to be latest Cretaceous (Cope 1886), but now considered Paleocene (see Hastings et al. 2010)
Lithology and environment
Primary lithology: not reported
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:taxonomic analysis
Metadata
Also known as:Hyposaurus derbianus type locality
Database number:123332
Authorizer:P. Mannion, M. Uhen Enterer:P. Mannion, A. Kourmadas
Modifier:P. Mannion Research group:vertebrate
Created:2012-01-19 00:27:06 Last modified:2012-01-18 07:39:56
Access level:the public Released:2012-01-19 00:27:06
Creative Commons license:CC BY
Reference information

Primary reference:

30104. E. D. Cope. 1885. A contribution to the vertebrate paleontology of Brazil. Proceedings of the American Philosophical Society 23(121):1-21 [J. Mueller/T. Liebrecht/M. Carrano]

Secondary references:

63958 A. Hastings and J. Bloch. 2008. New Long-Snouted Dyrosaurid (Crocodylomorpha, Mesoeucrocodylia) From the Paleocene of Northeastern Colombia. Journal of Vertebrate Paleontology 28(3):89a [M. Uhen/A. Kourmadas]
34888 A. Hastings, J. Bloch, E. Cadena and C. Jaramillo. 2010. A New Small Short-Snouted Dyrosaurid (Crocodylomorpha, Mesoeucrocodylia) from the Paleocene of Northeastern Colombia. Journal of Vertebrate Paleontology 30(1):139-162 [M. Uhen/M. Uhen/P. Mannion]