Sentence examples for based on shell morphology from inspiring English sources

The taxonomy of shelled pteropods has generally been based on shell morphology, although some studies have also examined soft parts (e.g. [ 23, 24]).

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].

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.

Hoagland and Davis (1987) subsequently completed a thorough analysis, based on electrophoresis, shell morphology, and internal anatomy, of the succineids at Chittenango Falls.

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

33 Current taxonomic concepts are based on shells recovered from surface sediments.

Natural selection may also be acting on shell morphology and may explain why the genetic divergence between the two Santa Cruz populations is much more pronounced than for morphology.