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Lottia digitalis & pelta; Tectura persona & scutum
(Finger limpet, Shield limpet, Mask limpet, and Plate limpet)
Copyright © 2005
Mary Jo Adams
Table With Distinguishing Features
| Species |
Lottia digitalis |
Lottia pelta |
Tectura persona |
Tectura scutum |
| Profile |
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| Location of apex |
Far anterior, nearly even with anterior margin |
Slightly off center |
Off center midway between center and anterior end |
Slightly off center |
| Shell height |
Height generally more than 1/3 length |
Height generally more than 1/3 length |
Height generally more than 1/3 length |
Height
generally less than 1/3 length |
| Margin texture |
Pronounced ribbing |
May be smooth or have ribbing |
Smooth |
Smooth |
| Tide height |
Splash zone and high intertidal |
Middle and low intertidal |
High and middle intertidal |
Middle and low intertidal;
shallow subtidal |
This
page was created by Mary Jo Adams on 5/24/06.
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