Chondrophora

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Chondrophora

[kän′drä·fə·rə]
(invertebrate zoology)
A suborder of polymorphic, colonial, free-floating cnidarians of the class Hydrozoa.
References in periodicals archive ?
Tidal and seasonal patterns in the chondrophore of the soft-shell clam Mya arenaria.
Gastropoda); Carinaria cithara Benson 1835 (Heteropoda); a chondrophore, Velella velella (Hydrodia); Lepas spp.
This paper presents an archaeological application of a new method to study the growth patterns of Mya arenaria, the soft-shell clam common along North Atlantic and North Pacific coasts, by cross-sectioning the chondrophore, a small appendage on the hinge region of the left valve that preserves well in archaeological contexts.
These expectations remained untested at the Laspia site until the chondrophore sectioning method provided information on the season-of-death, age structure, and growth rates of harvested Mya arenaria.
2011), in the internal chondrophore (hinge plate) of the shell (Shaul & Goodwin 1982).
We genotyped 11 allozyme and 7 microsatellite loci in 2,021 geoducks from 2 sites in Puget Sound and aged individuals by counting annuli in thin-section chondrophores under light microscopy.
The removed chondrophore was mounted in the mechanical chuck of a slow-speed diamond saw (Buehler, Lake Bluff, IL).
As expected, radiocarbon values derived from chondrophore samples exhibited an expected increase.
The chondrophore proved to be the best region to count the growth bands compared with the other regions in the cockle shell.
Internal growth bands are more clearly defined and easier to count in shell structures such as hinge plates and chondrophores (Palacios et al.