Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Helminthopsis
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Helminthopsis HEER, 1877, p. 116 [non GROUVELLE, 1906]
Type Species:
*H. magna; SD ULRICH, 1904, p. 144
Images
(Click to enlarge in a new window)
Fig. 44,2. H. sp., U.Cret.; 2a, Alaska, X1 (Ulrich, 1904); 2b, Aus., X0.75 (Abel, 1935)
Synonyms
Elminthopsis, Helmintopsis, Magarikune, ?Serpentinichnus, Tosahelminthes, Helmenthiopsis
Geographic Distribution
Eu.Asia-N.Am.-Antarct.-S.Am.(Venez.)
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Tert.
Ending International Stage:
Gelasian
Fraction Up In Ending Stage:
100
Ending Date:
1.81
Description
Simple meandering smooth trails, but not as strictly developed as ,Helminthoida s.s. (RICHTER, 1928); in part with marginal ridges. [Helminthopsis involuta DE STEFANI, 1895, and H. ?concentrica AZPEITIA MOROS, 1933, p. 46, are to be placed in Spirorhaphe FUCHS; H. sinuosa AZPEITIA MOROS, 1933, p. 45, in Cosmorhaphe FUCHS; H. tenuis KSI4ZKIEWICZ, 1968, p. 7, should be ascribed to the " genus" Cordia EMMONS.]
References
Museum or Author Information
Classification
Phylum:
Trace Fossils and Problematica
Class:
Trace Fossils
Formal Genus Name and Reference:
Helminthopsis HEER, 1877, p. 116 [non GROUVELLE, 1906]
Type Species:
*H. magna; SD ULRICH, 1904, p. 144
Images
(Click to enlarge in a new window)
Fig. 44,2. H. sp., U.Cret.; 2a, Alaska, X1 (Ulrich, 1904); 2b, Aus., X0.75 (Abel, 1935)
Synonyms
Elminthopsis, Helmintopsis, Magarikune, ?Serpentinichnus, Tosahelminthes, Helmenthiopsis
Geographic Distribution
Eu.Asia-N.Am.-Antarct.-S.Am.(Venez.)
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Tert.
Ending International Stage:
Gelasian
Fraction Up In Ending Stage:
100
Ending Date:
1.81
Description
Simple meandering smooth trails, but not as strictly developed as ,Helminthoida s.s. (RICHTER, 1928); in part with marginal ridges. [Helminthopsis involuta DE STEFANI, 1895, and H. ?concentrica AZPEITIA MOROS, 1933, p. 46, are to be placed in Spirorhaphe FUCHS; H. sinuosa AZPEITIA MOROS, 1933, p. 45, in Cosmorhaphe FUCHS; H. tenuis KSI4ZKIEWICZ, 1968, p. 7, should be ascribed to the " genus" Cordia EMMONS.]