Furthermore, there are 60 crayfish, 699 types of soft animals ( species of mollusks ) consisting of 530 snails ( gastropoda ), 159 shells ( bivalve ), 2 scaphopoda, 5 squid ( cephalopoda ) and 3 chiton.
22.
"' Orthoceratoidea "'is a subclass, formerly considered an infraclass or a superorder ( Wade 1988 ), that comprises Cephalopoda orders that have orthoconic to slightly cyrtoconic shells and central to subcentral siphuncles in which there may be internal deposits.
23.
""'Tylodicoceras " "'is a member of the Koninckioceratidae ( Cephalopoda, Nautiloidea ) from the Devonian thru Mississippian of North America with a large, slightly involute, discoidal shell that is rounded laterally and concave ventrally.
24.
""'Elrodoceras " "'is an armenoceratid, ( Cephalopoda, Actinocerida ), that grew fairly large, characterized by a straight shell, slightly curved at the apex, a siphuncle narrower than that of " Armenoceras " but with segments still wider than long, and an arched endosiphuncular canal system.
