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la concha está incompleta (the Shell is incomplete)
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la concha está incompleta (the Shell is incomplete)
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la concha está incompleta (the Shell is incomplete)
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la concha está incompleta (the Shell is incomplete)
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Sub-fossil? Picture doesn't covey how black the shell was. Size ~ 12 inches.
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I enjoyed a visit to the Bailey-Matthews National Shell Museum on Sanibel Island, Florida. It has extensive exhibits of shells from all over the world, which are not only beautiful but also educational. Besides the public displays, the museum has a world-class research collection of mollusks. Learn more about the museum's exhibits here: http://shellmuseum.org/exhibits.cfm Among the many exhibits is one with about the growth and development of the Lightning Whelk, Busycon sinistrum (see photo). This species has a left-handed shell (most gastropods are right-handed). The species is closely related to the Lightning whelk that occurs in Texas, Busycon pulleyi. The two have been considered as either subspecies, synonyms, or separate species. The Biodiversity of the Gulf of Mexico (BioGoMx) database accepts both as separate species. See more at: http://gulfbase.org/biogomx/biospecies.php?species=Spp-33-0949
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Battered old remains of four very large shells of the lightning whelk, found in the beach drift over about 6 days.
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One of scores in tidal zone at warm water outflow on Nueces Bay, Corpus Christi, TX, USA.
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morning
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Broken pieces of lightning whelks were numerous on the beaches; intact examples less so. These are from Lighthouse Beach.
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Broken pieces of lightning whelks were numerous on the beaches; intact examples less so. These are from Lighthouse Beach.
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After the stormy weather, whelks were much more numerous on Bowman's Beach, including a few dozen live examples that were thrown back into the surf. Here is a fairly fresh (empty) shell from that visit; notice the young barnacles beginning to colonize the shell.
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After the stormy weather, whelks were much more numerous on Bowman's Beach, including a few dozen live examples that were thrown back into the surf. Here is a fairly fresh (empty) shell from that visit; notice the young barnacles beginning to colonize the shell.
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Not just an empty shell. This critter was on patrol.
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