11 Lacuna pallidula COMPARISON Littorina fabalis & L. obtusata

11 Lacuna pallidula COMPARISON Littorina fabalis & L. obtusata

Very large body whorl and small spire. No columellar groove or umbilicus. Shell height of L. obtusata on right is 117 mm; that species is sometimes greenish olive.
Menai Strait, February 2011.

Full SPECIES DESCRIPTION: flic.kr/p/2kGH2G9
Sets of OTHER SPECIES:
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