12 Questions 24 Answers 0 Followers
Questions related from Mark McMenamin
In other words, has anyone reported fossil polypteriforms from Laramidia?
17 December 2016 8,916 4 View
Are there reports of members of the family Isididae older than the Cretaceous?
23 September 2014 7,408 2 View
Did anyone publish this concept before we made the comparison in The Emergence of Animals (Columbia U. Press, 1990) on p. ix?
22 August 2014 2,267 7 View
Responses to this question will help to determine my course of action with regard to the forthcoming announcement of a recent discovery.
27 September 2013 6,574 8 View
Why do amphipods in general have such a limited fossil record?
25 June 2013 4,811 6 View
Does anyone have recent interpretations or ideas about this curious taxon?
22 May 2013 9,250 1 View
[Tip of the hat to Darryl Smith.]
09 May 2013 9,089 33 View
How large is it?
02 April 2013 9,807 3 View
Which animal and protistan phyla appear simultaneously (within the resolution of chronostratigraphy)?
01 April 2013 9,514 3 View
In particular, do these ever have the character of an attachment disc, say, with concentric ornamentation?
25 March 2013 8,543 3 View
If so, how might the animal have used opposable digits?
22 March 2013 3,439 4 View
I am looking for examples where the eggs are deposited in the center of a cluster of pellets.
16 November 2012 7,405 0 View
