Knob Rocksnail (Leptoxis minor)
This species was described in 1912.
The Knob Rocksnail, also known as Knob Mudalia, was endemic to a restricted part of the Tennessee River near the city of Muscle Shoals in Alabama, USA.
The species is now extinct.
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edited: 04.110.2017
Tag Archives: Leptoxis
Leptoxis ligata (Anthony)
Rotund Rocksnail (Leptoxis ligata)
This species was described in 1860.
The Rotund Rocksnail was endemic to the Coosa River system in Alabama, USA, where it was restricted to the middle and lower reaches.
The shells reached sizes of about 1,3 cm.
The species disappeared after the impoundment of the river by the building of dams and is now considered extinct.
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Natural History Museum Rotterdam
http://www.nmr-pics.nl
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edited: 04.11.2017
Leptoxis lirata (H. H. Smith)
Lirate Rocksnail (Leptoxis lirata)
This species was described in 1922.
The Lirate Rocksnail or Lyrate Rocksnail was restricted to the middle reaches of the Coosa River in Alabama, USA.
The species disappeared after the impoundment of the river by the building of dams and is now extinct.
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edited: 04.11.2017
Leptoxis formosa (I. Lea)
Maiden Rocksnail (Leptoxis formosa)
This species was described in 1860.
The Maiden Rocksnail was endemic to the Coosa River system in Alabama, USA, where it was restricted to the upper and middle reaches some of the tributaries.
The shells reached sizes of about 1,5 cm.
The species disappeared after the impoundment of the river by the building of dams and is now considered extinct.
*********************
Natural History Museum Rotterdam
http://www.nmr-pics.nl
*********************
edited: 04.11.2017