File:Egg case of Busycon sinistrum (lightning whelk) (Sanibel Island, florida, USA) 2 (29042131054).jpg

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Busycon sinistrum Hollister, 1958 - egg case of a lightning whelk in Florida, USA. (March 2014)

This species is also known as Sinistrofulgur sinistrum, which has been considered by some to be conspecific with Busycon perversum.

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 odd-looking structure shown above is a long, coiled egg case produced by a lightning whelk (<a href="https://www.flickr.com/photos/jsjgeology/23700747493">www.flickr.com/photos/jsjgeology/23700747493</a>). The structure consists of dozens of connected discs. Each disc contains many eggs, many of which eventually develop into baby lightning whelks, each bearing a protoconch shell.

Classification: Animalia, Mollusca, Gastropoda, Neogastropoda, Busyconidae

Locality: marine beach south of Donax Street, southern shoreline of Sanibel Island, southwestern Florida, USA

More info. at:

<a href="https://en.wikipedia.org/wiki/Sinistrofulgur_sinistrum" rel="nofollow">en.wikipedia.org/wiki/Sinistrofulgur_sinistrum</a>
Date
Source Egg case of Busycon sinistrum (lightning whelk) (Sanibel Island, florida, USA) 2
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@N05/29042131054 (archive). It was reviewed on 22 October 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

22 October 2019

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current03:42, 22 October 2019Thumbnail for version as of 03:42, 22 October 20194,000 × 2,045 (4.85 MB)Rudolphous (talk | contribs)Transferred from Flickr via #flickr2commons

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