Species under Carychium
n= 10
Species name Common name Distribution Max. Length (cm)
Carychium clappi
Hubricht, 1959
Appalachian thorn North America
Carychium exiguum
(Say, 1822)
obese thorn North America
Carychium exile
Lea, 1842
ice thorn North America
Carychium mexicanum
Pilsbry, 1891
southern thorn North America
Carychium minimum
Müller, 1774
herald thorn North America
Carychium nannodes
Clapp, 1905
file thorn North America
Carychium occidentale
Pilsbry, 1891
western thorn North America
Carychium riparium
Hubricht, 1978
floodplain thorn North America
Carychium stygium
Call, 1897
cave thorn North America
Carychium tridentatum
(Risso, 1826)
dentate thorn North America
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