José Manuel Gasca

6 Questions 13 Answers 0 Followers

Questions related from José Manuel Gasca

Does anyone know if theropod ungual claws with foramina within the grooves?

Does Anyone know if the presence of foramina within the longitudinal grooves on ungual claws is common in any type of dinosaurs? The mention of these foramina is rare in the literature (e.g. in a...

30 March 2017 7,488 1 View

What can this vertebrate fossil remain be?

Maybe a partir braincase, or neural arch? ...of a dinosaur? crocodylomorph? It was found isolated in continental sediments (palustrine) from Lower Cretaceous (Barremian). Suggestions are welcome!

07 March 2017 6,099 5 View

Someone can help me to know what is this vertebra?

Maybe is this a crocodylomorph vertebra? Thanks in advance. Fossil locality data: Barremian (Early Cretaceous) bonebed from alluvial-lacustrine deposits

11 February 2016 9,669 9 View

Does anyone know these kind of burrows?

Vertical burrowing found in a limestone layer from basal Cretaceous (possibly lacustrine setting). Thanks in advance!

06 July 2015 1,239 13 View

Can anyone help me with this bioturbation?

I appreciate any help on this vertical-oblique bioturbation (ichnofossil, trackmaker..). Info: Continental setting (alluvial-coastal plan), Cretaceous, located in lutites overlying a...

02 July 2015 6,295 19 View

Are D-shaped premaxillary teeth only characteristic in tyrannosauroids within Theropoda?

Premaxillary teeth with D-shaped contour are present in tyrannosaurids (Brochu, 2002; Choinere et al., 2012) and megaraptorans (Porfiri et al., 2014), but are they the only theropod dinosaurs to...

11 August 2014 1,712 6 View