- growth lines
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(MOLLUSCA: Gastropoda)Surface marking of the shell, denoting a former position of the outer lip.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.
growth lines
Look at other dictionaries:
upcurved growth lines — Upwardly bent growth lines covering tear in conchostracan shell margin at site of injury [Moore and McCormick, 1969]. Upwardly bent growth lines covering tear in shell margin at site of injury [McLaughlin, 1980] … Crustacea glossary
growth rugae — (MOLLUSCA) Irregular ridges or undulations on the shell surface determined by former positions of the outer lip which show slowed or stopped growth; see growth lines … Dictionary of invertebrate zoology
growth squamae — (MOLLUSCA: Bivalvia) Scaly extensions of the shell surface parallel to the growth lines … Dictionary of invertebrate zoology
growth welt — (MOLLUSCA: Bivalvia) An elongate shell elevation parallel to the growth lines … Dictionary of invertebrate zoology
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growth line — (Order Diplostraca): One in a series of concentric lines on outer surface of each side (valve) of carapace; each growth line marks a successive molt. Number of lines is of taxonomic importance. (distinct, indistinct; widely spaced, crowded)… … Crustacea glossary
Growth of the Old Swiss Confederacy — History of Switzerland This article is part of a series Early history … Wikipedia
