See also: orthoceras From Ancient Greek ὀρθός (orthós, “straight”) + κέρας (kéras, “horn”). Orthoceras n A taxonomic genus within the family †Orthoceratidae –...
See also: Orthoceras From ortho- + Ancient Greek κέρας (kéras, “a horn”). orthoceras (plural orthocerata) Any nautiloid cephalopod mollusc of the genus...
+ -ite. orthoceratite (plural orthoceratites) An orthoceras. Any fossil shell allied to Orthoceras. Part or all of this entry has been imported from...
first/second-declension adjective New Mexican First/second-declension adjective. Drosophila novamexicana Leptodiaptomus novamexicanus Orthoceras novamexicanum...
straight + horn. straighthorn (plural straighthorns) (paleontology) An orthoceras. Part or all of this entry has been imported from the 1913 edition of...
Wales, or in the corresponding Scanian strata that overlie the Swedish Orthoceras-Limestone; but in all these beds the salient character of the Graptolite...