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Shells of Xenophora crispa can reach a size of 30–63 millimetres (1.2–2.5 in). [4] They are trochoid, depressed-conical shells, non-porcellanous ventrally, with narrow peripheral edge and 7-8 whorls decorated with irregular spirals wrinkles. The shell of this species consists of argonitic crossed lamellar fabric. The base is slightly concave.
The shells are small to rather large (diameter of base without attachments 19–160 mm; height of shell 21–100 mm), depressed to conical, with narrow to wide, simple to spinose peripheral edge or flange separating spire from base. Aperture large, base broad, rather flattened, often umbilicate. Periostracum very thin or wanting.
Their glossy, polished, ovate-shaped shells have beautiful patterns in a variety of colors. These patterns, combined with minor variations in shell form, have led some conchologists to recognize 60 genera and hundreds of species and subspecies. In virtually all of the species in the family Cypraeidae, the shells are extremely smooth and shiny.
The shells of cowries are usually smooth and shiny and more or less egg-shaped. The round side of the shell is called the Dorsal Face, whereas the flat under side is called the Ventral Face, which shows a long, narrow, slit-like opening , which is often toothed at the edges. The narrower end of the egg-shaped cowrie shell is the anterior end ...
The name chiton is Neo-Latin derived from the Ancient Greek word khitōn, meaning tunic (which also is the source of the word chitin). The Ancient Greek word khitōn can be traced to the Central Semitic word *kittan, which is from the Akkadian words kitû or kita'um, meaning flax or linen, and originally the Sumerian word gada or gida ...
A rare 'opal' lobster caught last week is getting a lot of online attention -- and the explanation for its odd coloring is even more interesting.
Crepidula, commonly known as the slipper snails, slipper limpets, or slipper shells, is a genus of sea snails, marine gastropod mollusks in the family Calyptraeidae.This family includes the slipper snails (Crepidula), hat snails (), spiny slipper snails (Bostrycapulus), and cup-and-saucer snails as well as Crepipatella, Siphopatella, Grandicrepidula, and Maoricrypta.
These unusual flowers carry a patriotic meaning, proving that pride can come in many shapes and colors. It can also represent conquest, perhaps because of its assertive celebratory color and ...