Eocenecarnage Posted July 31, 2015 Share Posted July 31, 2015 Do any of you know what North American ammonite biostratigraphic zone Baculites ovatus belongs in, Link to comment Share on other sites More sharing options...
FossilDAWG Posted July 31, 2015 Share Posted July 31, 2015 You mentioned Neil Larson's book in the other post, if you have a copy the answer is in there. I am at work and don't have my copy here, but I can check when I get home. Don Link to comment Share on other sites More sharing options...
jpc Posted August 1, 2015 Share Posted August 1, 2015 I just thumbed through Larson's book...nothing in there about ovatus. It is apparently an eastern USA species, so not included in the book. Link to comment Share on other sites More sharing options...
Ludwigia Posted August 1, 2015 Share Posted August 1, 2015 The "Baculites ovatus Zone" is mentioned in this paper... http://archives.datapages.com/data/bulletns/1931-37/data/pg/0019/0005/0700/0703.htm Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
FossilDAWG Posted August 1, 2015 Share Posted August 1, 2015 That paper is an American Association of Petroleum Geologists (AAPG) publication. One of my pet gripes is those guys refuse to make anything publicly accessible, not even papers that are decades old, unlike many other publishers. I also think they only have personal subscriptions, at least I know no University I have worked at has an institutional subscription. They charge $10 just to read a paper, and even more if you want to actually download a copy. There is a lot of info in those AAPG bulletins, they come up all the time when I'm doing literature searches, but I've never been able to access any of it. Whenever I see AAPG I think AARG! Don 1 Link to comment Share on other sites More sharing options...
Ludwigia Posted August 1, 2015 Share Posted August 1, 2015 Well...at least you could read the first page on this one where the info that was sought is to be found. I guess that was their mistake, since they've known that since 1935 and haven't told anyone about it. Greetings from the Lake of Constance. Roger http://www.steinkern.de/ Link to comment Share on other sites More sharing options...
Ridgehiker Posted August 2, 2015 Share Posted August 2, 2015 Not to nitpick but how are you identifying this specimen if you don't know what zone it is from? I know it is a bit chicken and egg. The species indicates the zone...and finding a specimen in that zone is likely the species. Do you have specific collecting locale information? This is an early named taxon and a lot of other species were dumped into it and later assigned otherwise. Link to comment Share on other sites More sharing options...
Eocenecarnage Posted August 2, 2015 Author Share Posted August 2, 2015 I am trying to identify it by ventral shape and suture patterns Link to comment Share on other sites More sharing options...
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