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Re: Dinosaur trackway questions
Title: Re: Dinosaur trackway
specimen 'crouching during rain' originally cited in R.T.Bird,
1985, Bones for Barnum Brown, p. 79.
No specimen # was given by Bird or Lockley. Offhand I am not sure
which specimen this is supposed to refer to.
Richard W Travsky wrote:
I found a pic of part of an Anomoepus
Tail trace showing square scales (and
what look like foot prints).
Interesting, if this is the track in
no it;s not Bird's track. This tail impression was not noticed by
anyone until 1998 and has not been published on yet (though there is a
revision of Anomoepus, in press (Olsen, P. E. and E. C. Rainforth. in press. The Early
Jurassic ornithischian dinosaurian ichnogenus Anomoepus.
In LeTourneau, P. M. and P. E. Olsen (eds.), The Great Rift
Valleys of Pangea in Eastern North America, vol. 2: Sedimentology and
Paleontology. Columbia University Press). Oh and yes,
those ARE footprints in the pic. Note, this slab does not have
Rich Mcrea wrote:
The original description of this trackway
as Anomoepus major is
in Hitchcock, 1858. If you want a
bit of history on the trackway see
Gierlinski (1996). These prints have changed names a few times
Sauropus - Grallator - Eubrontes) as well as interpretations of
(ornithischian - theropod). It is
an interesting slab in any case and
Gierlinski (1996) reported finding feather impressions associated with
prints, two years before reports of
feathered dinosaurs from China!
I just want to make it CLEAR that only Anomoepus major (Amherst
College 1/7 and 1/1) is now considered to be Grallator; the othe
Anomoepus species are still Anomoepus. It was named Anomoepus b/c at
that time, only Anomoepus had the metatarsal impressions; but the
actual foot structure indicates its grallatorid affinity (i.e. most
likely a theropod track). (Anomoepus is attributed to
As to having feathers - other folk (Paul Olsen, Tony Martin,
myself) who have studied these specimens consider the 'feathers' to be
'soft-sediment deformation' caused by the animal shifting it;s weight,
and dragging the mud when it emplaced its feet.
Coombs' swimming theropods:
there's NO reason to think these are NOT undertracks (I've spent
a considerable amount of time on my hands and knees on that very
surface). (Sorry Rich - IMHO these are NOT 'convincing' swimming
For a complete analysis see: Farlow, J. O., and P. M. Galton. in press, Dinosaur
trackways of Dinosaur State Park, Rocky Hill, Connecticut. In LeTourneau,
P. M. and P. E. Olsen (eds.), The Great Rift Valleys of Pangea in
Eastern North America, vol. 2: Sedimentology and Paleontology.
Columbia University Press).
(Okay, so you CAN"T see it yet as it's still in