WestOz64 Posted February 13, 2014 Share Posted February 13, 2014 Hello all.....been seeing a few of these fossils lately, on average they range in size from 3cm x 1cm to 4cm x 1.5cm, tho i have seen smaller. They also have a smoother, almost shell like feel, as opposed to the rough stony feel of the bryozoa in the same area....any idea's? The pic's below are 4 different specimens. Upper Gascoyne region, Western Australia, Permian Era. Link to comment Share on other sites More sharing options...
prem Posted February 13, 2014 Share Posted February 13, 2014 I would venture an ID of an echinoderm plate of some sort - either crinoid or echinoid. ---Prem Link to comment Share on other sites More sharing options...
Herb Posted February 13, 2014 Share Posted February 13, 2014 ditto "Absence of evidence is not evidence of absence"_ Carl Sagen No trees were killed in this posting......however, many innocent electrons were diverted from where they originally intended to go. " I think, therefore I collect fossils." _ Me "When you have eliminated the impossible, whatever remains, however improbable, must be the truth."__S. Holmes "can't we all just get along?" Jack Nicholson from Mars Attacks Link to comment Share on other sites More sharing options...
izak_ Posted November 23, 2014 Share Posted November 23, 2014 Cross section of shell? Link to comment Share on other sites More sharing options...
Rockwood Posted November 23, 2014 Share Posted November 23, 2014 Cross section of shell? I believe a cross section of shell would in most cases have a more laminated appearance. Link to comment Share on other sites More sharing options...
tmaier Posted November 23, 2014 Share Posted November 23, 2014 The growth lines seem to be concentric, but off center. Could these be operculum of gastropod? Are you finding any gastropod shells or bits? http://www.google.com/images?q=operculum+of+gastropods&btnG=Search&hl=en&gbv=1&nfpr=&spell=1 Link to comment Share on other sites More sharing options...
izak_ Posted November 25, 2014 Share Posted November 25, 2014 I would venture an ID of an echinoderm plate of some sort - either crinoid or echinoid. ---Prem I agree LOL LOL Link to comment Share on other sites More sharing options...
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