File:Busycon sinistrum (lightning whelk) on marine beach (Cayo Costa Island, Florida, USA) (23700747493).jpg
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_on_marine_beach_(Cayo_Costa_Island,_Florida,_USA)_(23700747493).jpg&action=edit§ion=1){kind=link}
| Description |
Sinistrofulgur sinistrum Hollister, 1958 - lightning whelk shell in Florida, USA (January 2016). The gastropods (snails & slugs) are a group of molluscs that occupy marine, freshwater, and terrestrial environments. Most gastropods have a calcareous external shell (the snails). Some lack a shell completely, or have reduced internal shells (the slugs & sea slugs & pteropods). Most members of the Gastropoda are marine. Most marine snails are herbivores (algae grazers) or predators/carnivores. The snail shell shown above is a lightning whelk, Busycon sinistrum. This is a rare example of snail species that has a left-handed coiled shell. Almost all snail shells have right-handed coiling (dextral coiling). Busycon sinistrum has left-handed coiling (sinistral coiling). The common name "lightning whelk" is in reference to the slightly zig-zag shape of the dark-colored lines running ~apically along the shell's surface. Classification: Animalia, Mollusca, Gastropoda, Neogastropoda, Busyconidae Locality: marine beach at the southern tip of Cayo Costa Island, Gulf of Mexico coast of southwestern Florida, USA (vicinity of 26° 36' 48.74" North latitude, 82° 13' 19.91" West longitude) |
| Date | |
| Source | Busycon sinistrum (lightning whelk) on marine beach (Cayo Costa Island, Florida, USA) |
| Author | James St. John |
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This image was originally posted to Flickr by James St. John at https://flickr.com/photos/47445767@N05/23700747493. It was reviewed on 3 February 2016 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
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| current | 10:46, 3 February 2016 | | 4,000 × 3,000 (3.39 MB) | Patko erika (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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