It's a tough time of year for the humble snail.
Empty shell in rock pool.
Small to medium in size, 25-75mm. Largest oyster still has mangrove root stuck to it. Smallest oyster has half of its shell missing. Some purpley colors on them, irridescence, had algae stuck to them. Were growing on a red mangrove root in an intertidal zone.
Miyako-jima, Okinawa, Japan
New genus for me. Tooth and hairs are pretty obvious, but unlike V. columbianus it has an almost closed umbilicus. Found under a rock in redwood forest. Pilsbry: http://babel.hathitrust.org/cgi/pt?id=uc1.31822000620245;view=1up;seq=349
Eating poop. Not sure I've seen them doing this before.
Found alive defecating under bark near a campsite in redwood forest. Was hoping this was H. sequicola, but the sculpture is not papillate. The oblique bumps in the striations more close match the images of H. nickliniana in Pilsbry, and exactly match those in this observation by Jim.
The molluscs or mollusks/ˈmɒləsks/, compose the large phylum of invertebrate animals known as the phylum Mollusca. Around 85,000 extant species of molluscs are recognized. Molluscs are the largest marine phylum, comprising about 23% of all the named marine organisms. Numerous molluscs also live in freshwater and terrestrial habitats. They are highly diverse, not only in size and in anatomical structure, but also in behaviour and in habitat. The phylum is typically divided into 9 or 10...