Pebasiconcha immanis

Pebasiconcha immanis is an extinct species of air-breathing land snail, a terrestrial pulmonate gastropod mollusk in the family Acavidae.

Pebasiconcha immanis
Temporal range: late Early Miocene - early Late Miocene[1]
Scientific classification
Kingdom:
Animalia
Phylum:
Mollusca
Class:
Gastropoda
(unranked):
clade Heterobranchia clade Euthyneura
clade Panpulmonata
clade Eupulmonata
clade Stylommatophora
informal group Sigmurethra
Superfamily:
Acavoidea
Family:
Acavidae
Genus:
† Pebasiconcha

Wesselingh & Gittenberger, 1999[2]
Species:
P. immanis
Binomial name
Pebasiconcha immanis
Wesselingh & Gittenberger, 1999[2]
Synonyms

Amazoniconcha immanis

Distribution

The type locality of Pebasiconcha immanis is the Miocene Pebas Formation in the Colombian and Peruvian Amazonia.[1]

Description

The height of the shell is more than 25 cm (more than 250 mm).[1] They were the largest known species of land snail.[3]

References
  1. Wesselingh F. P. (2006). "Molluscs from the Miocene Pebas Formation of Peruvian and Colombian Amazonia". Scripta Geologica 133: 19-290. Figure 274. abstract, PDF
  2. Wesselingh F. P. & Gittenberger E. (1999). "The giant Amazonian snail (Pulmonata: Acavidae) beats them all". Veliger 42(1): 67-71.
  3. (in Dutch) "Amazoniconcha immanis". accessed 13 September.


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