- carapace costae
- Closely spaced radial ridges, grading from fine to coarse, that become obsolete near umbo and do not cross it (=radial lirae, radial riblets, accessory ribs) (e.g., Conchostraca, especially Estheriellidae, in which valves generally have more than 5 costae) [Moore and McCormick, 1969].(Order Diplostraca):Closely spaced radial ridges, grading from fine to coarse, not crossing to umbo. (Syn. radial lirae) [McLaughlin, 1980].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.
Look at other dictionaries:
carapace costae — (ARTHROPODA: Crustacea) Fine to coarse closely spaced radial ridges, that do not cross the umbo; radial lirae … Dictionary of invertebrate zoology
conchostracan carapace interval — (ARTHROPODA: Crustacea) Any space between two ribs, costae, or costellae of the conchostracan carapace … Dictionary of invertebrate zoology
conchostracan carapace interval — Space between any 2 ribs, costae, or costellae on conchostracan carapace [Moore and McCormick, 1969] … Crustacea glossary
conchostracan carapace ribs — Strong radial ridges radiating from and across umbo of conchostracan carapace, with intervals of variable width between any pair and commonly nodose at intersections of growth lines; may be partial or embryonic in expression; synonyms include… … Crustacea glossary
radial lirae — see carapace costae … Dictionary of invertebrate zoology
radial lirae — See: carapace costae [McLaughlin, 1980] … Crustacea glossary
Rib — This article is about the part of the skeleton. For other uses, see Rib (disambiguation). Single human rib detail The … Wikipedia