WebThe Trocholitidae are Tarphycerida with whorls in close contact as with the Tarphyceratidae, but in which the siphuncle, similar in structure, becomes dorsal. The Trocholitidae are … WebOct 30, 1992 · Cela permet de reconnaître deux espèces du genre Trocholites, T. fugax n. sp. et T. cf. depressus (Eichwald, 1840). Leur présence coïncide avec l'arrivée en domaine ibérique d'autres éléments des faunes baltiques; les dépôts livrant ces fossiles sont considérés comme les équivalents distaux de tempestites sableuses décrites par ...

Trocholites fugax

WebTrocholites ammoniusis a species of . This species is extinct. They are carnivores. They are fast movinganimals. URI:http://eol.org/schema/terms/extinct Definition:A taxon is Extinct … WebDescription: Trocholites is a tarphycerid genus in the family Trocholitidae from the Middle and Late Ordovician with a gradually expanding, weakly ribbed shell; whorls in contact, dorsum slightly impressed; cross section depressed, venter and sides rounded; siphuncle close to but not at the dorsal margin. chacko family

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WebIn the Utica Shale most orthoconic fragments have a diameter of 5–15 mm (Figure 4) and represent specimens with conch lengths of less than 100 mm. Three of the 98 fragments … http://www.thefossilforum.com/index.php?/topic/39355-found-in-southern-indiana/ WebTrocholites occurs, but is com- mon only in one very restricted band at the base of the Denmark member, and occa- sional oncoceroids also occur. In Quebec, the faunas are richer and more varied, but differ chiefly in the greater abundance and variety of oncoceroids. chacko mathew