File:Platyostoma sp. (fossil snail) (Onondaga Limestone, Middle Devonian; Port Colbourne, Welland County, Ontario, Canada) 1 (49075966411).jpg

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Platyostoma sp. - fossil snail from the Devonian of Ontario, Canada. (abapertural view) (~1.85 centimeters across at its widest)

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.

Classification: Animalia, Mollusca, Gastropoda, Euomphalina, Platyceratidae

Stratigraphy: Onondaga Limestone, Middle Devonian

Locality: unrecorded/undisclosed site at or near Port Colbourne, Welland County, Ontario, Canada
Date
Source Platyostoma sp. (fossil snail) (Onondaga Limestone, Middle Devonian; Port Colbourne, Welland County, Ontario, Canada) 1
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@N05/49075966411 (archive). It was reviewed on 7 December 2019 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

7 December 2019

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Date/TimeThumbnailDimensionsUserComment
current19:06, 7 December 2019Thumbnail for version as of 19:06, 7 December 20192,111 × 1,332 (1.55 MB)Ser Amantio di Nicolao (talk | contribs)Transferred from Flickr via #flickr2commons

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