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This was the abundant small snail on the rocks of the South Padre Island jetty. Most of these snails were on the order of 4 to 8mm long. My references* suggest the proper name for Texas material is L. lineolata rather than L. ziczac. * Andrews, J. 1981. Texas Shells, A Field Guide. Univ. of Texas Press, Austin. (republished by Texas Monthly in 1992)
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This was the abundant small snail on the rocks of the South Padre Island jetty. Most of these snails were on the order of 4 to 8mm long. My references* suggest the proper name for Texas material is L. lineolata rather than L. ziczac. * Andrews, J. 1981. Texas Shells, A Field Guide. Univ. of Texas Press, Austin. (republished by Texas Monthly in 1992)
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These snails sat directly on the ocean waterline
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This was the abundant small snail on the rocks of the South Padre Island jetty. Most of these snails were on the order of 4 to 8mm long. My references* suggest the proper name for Texas material is L. lineolata rather than L. ziczac. * Andrews, J. 1981. Texas Shells, A Field Guide. Univ. of Texas Press, Austin. (republished by Texas Monthly in 1992)
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Brown periwinkle. Large numbers living about 12 metres vertically above high tide on rocks that might get splashed once a month on a clifftop on the south coast. This is the furthest from the sea I have seen a marine mollusc. Note the petrified log.
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Els Poblets, Alicante, Spain
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splash zone, limestone
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splash zone, limestone
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With smaller A. antipodum, in the intertidal zone.
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Easily mistaken for the smoothe shelled Blue Periwinkle when encrusted with marine growth. Turns to a purple brown when beach worn. On average A. cincta is slightly larger that A. antipodum.
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Easily mistaken for the smoothe shelled Blue Periwinkle when encrusted with marine growth. Turns to a purple brown when beach worn. On average A. cincta is slightly larger that A. antipodum.
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small blue and white snails
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Blue periwinkle. Common estuarine mollusc. Easily mistaken for A. cincta which is same shape but with fine striations in shell and often a purplish brown colour if beach worn.
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In the Cape Mondego Natural Monument, a protected area in central Portugal. This small snail (about 5mm each) can often be found in small groups in the splash zone or in the middle of the barnacles.
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Caracol zebra. Echinolittorina peruviana
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Syn. Littorina neritoides. A common snail, tipically found in the splash zone of rocky shores.