EditorialTrigonia scabra, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges fr...
EditorialTrigonia nodulosa, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges ...
EditorialTrigonia costata, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges f...
EditorialTrigonia navis, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges fro...
EditorialTrigonia costata, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges f...
EditorialTrigonia navis, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges fro...
EditorialTrigonia pectinata, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges...
EditorialTrigonia pectinata, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges...
EditorialTrigonia aspera, Print, Diagram of Trigonia costata James Parkinson, showing main morphological features of the shell exterior;a) Anterior; p) Posterior; d) Dorsal; v) Ventral; F) Flank; A) Area; c) Costae; mc) Marginal CarinaTrigonia costata ranges fr...
EditorialTrigonia, Print, Trigonia is an extinct genus of saltwater clams, fossil marine bivalve mollusk in the family Trigoniidae. The fossil range of the genus spans the Paleozoic, Mesozoic and Paleocene of the Cenozoic, from 298 to 56 Ma.
EditorialTrigonia, Print, Trigonia is an extinct genus of saltwater clams, fossil marine bivalve mollusk in the family Trigoniidae. The fossil range of the genus spans the Paleozoic, Mesozoic and Paleocene of the Cenozoic, from 298 to 56 Ma.