Brevicoceratidae

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(added selected genera.)
 
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'''Characters''' (from Sweet 1964): Exogastric (rarely endogastric) brevicones, gyrocones and torticones, tending to develop irregular, vestigial actinosiphonate deposits and subtriangular transverse section.
'''Characters''' (from Sweet 1964): Exogastric (rarely endogastric) brevicones, gyrocones and torticones, tending to develop irregular, vestigial actinosiphonate deposits and subtriangular transverse section.
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Gyroconic Brevicoceratidae include ''[[Naedyceras]]'' ''Gonionaedycerias'', ''Gyronaedyceras'', ''Foesteoceras'', ''[[Oxygonioceras]]'', and ''Stereatoceras''. Among those with depressed, generally straight-shelled brevicones are ''[[Brevococeras]]'', ''Aletoceras'', ''Angelicoceras'', ''Blastocerina'', and ''Eleusoceras''.  Many are known only from partial specimens. 
==References==
==References==
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[[User:Christopher|Christopher]] 00:13, 16 January 2011 (UTC)
[[User:Christopher|Christopher]] 00:13, 16 January 2011 (UTC)
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[[User: John M|John]]  21 Nov 2012 (Genera)

Latest revision as of 22:00, 21 November 2012

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