Key: Family Olividae
Phylum Mollusca
Class
Gastropoda
Subclass Opisthobranchia
Order Neogastropoda
Suborder
Rachiglossa
Taken primarily from Kozloff,
1987, 1996
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| 1a |
Width of columellar
callus, at the base of the body
whorl, about one-third of the height
of the shell (photo);
height
up to 3 cm |
Callianax
biplicata
(Olivella biplicata in key) |
| 1b |
Width of columellar
callus, at the base of the body
whorl, about one-fourth the height
of the shell; height
not often more than 2 cm |
2 |
| 2a |
Diameter about half the height; often with brown,
zigzag lines running
lengthwise (not common north of Oregon) |
Callianax pycna
(Olivella pycna in key) |
| 2b |
Diameter about two-fifths of the height; brown lines,
if present, not
zigzag |
Callianax
baetica
(Olivella baetica in key) |
Taxonomic
Levels Represented
in This Key:
Callianax
baetica
Callianax
biplicata
Page created by Dave Cowles, 2005
Edited by:
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