Seashell Reference Libraries
Conchology, a branch of malacology, is the study of mollusk shells including seashells, freshwater and land mollusk shells, and gastropod operculums. Conchologists, those who practice conchology, study the shells four main groups of mollusks including bivalves and gastropods as wells as chitons and tusk shells. The study of mollusk is shells is sometimes thought to be outdated, because a...
Mucrospirifer is a genus of extinct brachiopod of the order Spiriferida. This genus is sometimes known as the “butterfly shells.” Fossils of this genus occur mostly in the Middle Devonian strata. When alive, this genus mainly lived in muddy marine sediments, and were attached to the sea floor via its pedicle (foot). The bi-convex shell was about an inch long, and sometimes grew to 1.6...
- Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
- Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
- Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
- A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.