A reinvestigation of extracts of the endemic South African intertidal limpet Trimusculus costatus yielded the known labdane diterpenes 6β,7α-diacetoxylabda-8,13 E -dien-15-ol (1) and ...

In a program to identify pain treatments with low addiction potential, we isolated five steroids, conosteroids A–E (1–5), from the hypobranchial gland of the mollusk Conus geographus. Compounds 1–5 ...

Specimens were examined in detail for the general external morphology, and measurements were based in Roper and Voss (1983): mantle length (ML), mantle width (MW), length of siphon (SL), fin length ...