Sentence examples for based on shell phenotype from inspiring English sources

The extraordinary concentration of 59 species of Partula within this single hotspot archipelago raises questions of taxonomic equivalency (species descriptions are typically based on shell phenotype distinctions) and lineage persistence across the range.

The general classification of the bivalves is typically based on shell structure and hinge and ligament organization.

Taxonomic assignments were made based on shell morphology.

All taxonomic assignments made are based on shell morphology and later confirmed by molecular results.

This means that species identifications based on shell morphology have probably not resulted in reliable data.

Melanoides specimens were identified based on shell morphology using the relevant literature [ 30, 31].

Material was identified before molecular analysis based on shell morphology following the currently accepted taxonomy of African Viviparidae, e.g. [ 20].

However, subsequent studies based on shell characteristics [ 29], allozymes [ 25] or genetics [ 30] suggested the occurrence of fewer species.

Much of the oyster classification to date is based on shell characteristics and has resulted in considerable errors and confusion.

Few rigorous morphometric studies have been carried out on the family [ 14- 16], and the degree of overlap and variability in shell morphology makes delimitation of many species based on shell shape unreliable.

She designed one rug based on shells she collected with her children in Hawaii.