Definition of Protoconchs. Meaning of Protoconchs. Synonyms of Protoconchs

Here you will find one or more explanations in English for the word Protoconchs. Also in the bottom left of the page several parts of wikipedia pages related to the word Protoconchs and, of course, Protoconchs synonyms and on the right images related to the word Protoconchs.

Definition of Protoconchs

Protoconch
Protoconch Pro"to*conch, n. [Proto- + conch.] (Zo["o]l.) The embryonic shell, or first chamber, of ammonites and other cephalopods.

Meaning of Protoconchs from wikipedia

- s**** and the protoconch of Atlanta lesueurii: Page, Louise (2000). "Inflated Protoconchs and Internally Dissolved, Coiled Protoconchs of Nudibranch Larvae:...
- Protoconch—a larval s**** of a mollusc; also refers to protoconch whorls of an adult s**** Teleoconch—all the whorls of a s**** after the protoconch whorls...
- suggesting a long-lived planktonic larval life stage (reflected by their protoconchs); but by the Ordovician distinct ****emblages were becoming evident. Some...
- medallion-shaped egg pouches. Each pouch of the string contains numerous protoconchs (baby whelks), similar in appearance to adults but with fewer whorls...
- Chrysallidinae, a large taxon of minute marine gastropods with an intorted protoconch. Tragula falcifera (Watson, 1881) Tragula fenestrata (Jeffreys, 1848)...
- Desmopteridae. The species are protandric hermaphrodites. There is no s****, no protoconch and no longer any supporting tissue. The body consists almost completely...
- Archaeogastropoda. This has been confirmed by new findings on archaeopod-type protoconchs in species from this families, dating from the early Devonian. Family...
- World Register of Marine Species on 25 April 2010. Bouchet P. 2002. Protoconchs, dispersal, and tectonic plates biogeography: new pacific species of...
- World Register of Marine Species on 25 April 2010. Bouchet P. 2002. Protoconchs, dispersal, and tectonic plates biogeography: new pacific species of...
- Bactrotheca is an extinct genus of orthothecid hyolith with a bulbous "protoconch". DZIK, J. 1980. Ontogeny of Bactrotheca and related hyoliths. GFF, 102...