Welcome to the Molluscs subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Scenella
Classification
Phylum:
Mollusca
Class:
Monoplacophora
Order:
Tryblidioidea
Superfamily:
Tryblidiacea
Family:
Palaeacmaeidae
Formal Genus Name and Reference:
Scenella BILLINGS, 1872
Type Species:
S. reticulata
Images
(Click to enlarge in a new window)
Fig. 46,1. *S. reticulata, L.Cam., Can.(Newf.), 1a, b, individuals showing extremes in variation, X2.7, Fig. 46,2. S. sp. (Rasetti), M.Cam., Can.(B.C.), interior showing muscle scars, X3.5
Synonyms
Parmorphella
Geographic Distribution
N.Am.-NE.Asia
Age Range
Beginning Stage in Treatise Usage:
Cam. (1960 version => now Epoch 2)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
Cam.
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
100
Ending Date:
486.85
Description
Low cap-shaped shell with moderately strong concentric wrinkles and fine radiating threads, an early Middle Cambrian species shows 6 (or 7) pairs of dorsal muscle scars
References
Museum or Author Information
Classification
Phylum:
Mollusca
Class:
Monoplacophora
Order:
Tryblidioidea
Superfamily:
Tryblidiacea
Family:
Palaeacmaeidae
Formal Genus Name and Reference:
Scenella BILLINGS, 1872
Type Species:
S. reticulata
Images
(Click to enlarge in a new window)
Fig. 46,1. *S. reticulata, L.Cam., Can.(Newf.), 1a, b, individuals showing extremes in variation, X2.7, Fig. 46,2. S. sp. (Rasetti), M.Cam., Can.(B.C.), interior showing muscle scars, X3.5
Synonyms
Parmorphella
Geographic Distribution
N.Am.-NE.Asia
Age Range
Beginning Stage in Treatise Usage:
Cam. (1960 version => now Epoch 2)
Beginning International Stage:
Cambrian Stage 3
Fraction Up In Beginning Stage:
0
Beginning Date:
521
Ending Stage in Treatise Usage:
Cam.
Ending International Stage:
Cambrian Stage 10
Fraction Up In Ending Stage:
100
Ending Date:
486.85
Description
Low cap-shaped shell with moderately strong concentric wrinkles and fine radiating threads, an early Middle Cambrian species shows 6 (or 7) pairs of dorsal muscle scars