Clappia_umbilicata_shell_2.png
Description Clappia umbilicata shell 2.png |
English:
Drawing of apertural view of the shell and its operculum of
Clappia umbilicata
, synonym
Clappia clappi
from Duncan's Riffle, Coosa River, Alabama.
|
Date | |
Source | Walker B. (1909). "New Amnicolidae from Alabama". The Nautilus 22 (9): 85 -90. Plate 6 , figure 1 and 4. Background retouched. |
Author | Bryant Walker |
Public domain Public domain false false |
This work is in the
public domain
in the
United States
because it was
published
(or registered with the
U.S. Copyright Office
) before January 1, 1929.
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Note: This tag should not be used for sound recordings. PD-1923 Public domain in the United States //commons.wikimedia.org/wiki/File:Clappia_umbilicata_shell_2.png |