Mesodon sp. (land snail) (near Point Leavell, Kentucky, USA) : 無料・フリー素材/写真
Mesodon sp. (land snail) (near Point Leavell, Kentucky, USA) / James St. John
| ライセンス | クリエイティブ・コモンズ 表示 2.1 |
|---|---|
| 説明 | Mesodon sp. - land snail shell (modern) in Kentucky, USA. (apical view)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 shell shown here is a modern land snail - Mesodon sp. Mesodon snails are a group of pulmonates, which are air-breathing, terrestrial gastropods. Some pulmonates - the slugs - lack external coiled shells. Others have the same type of coiled, calcareous shell as freshwater and marine snails.Classification: Animalia, Mollusca, Gastropoda, Pulmonata, PolygyridaeLocality; Point Leavell Outcrop - roadcut along (new) Route 52 at Old Railroad Road intersection, near the town of Point Leavell, southwest of Paint Lick, Garrard County, Kentucky, USA. (37° 35’ 37.09” North latitude, 84° 29’ 35.97” West longitude)-------------------More info. at:en.wikipedia.org/wiki/Polygyridae |
| 撮影日 | 2018-03-12 15:12:02 |
| 撮影者 | James St. John |
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