Welcome to the Treatise on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Hemigordius
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Fischerinidae
Subfamily:
Cyclogyrinae
Formal Genus Name and Reference:
Hemigordius Schubert, 1908, *1686, p. 381
Type Species:
Cornuspira schlumbergeri HOWCHIN, 1895, *967, p. 195
Images
(Click to enlarge in a new window)
Fig. 333,1. *H. schlumbergeri (Howchin), Carb., Australia, 1a-c, opposite sides and edge of topotype, X62 (*2117)
Synonyms
Geographic Distribution
Australia, N.Am., Eu., USSR
Age Range
Beginning Stage in Treatise Usage:
Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Jur.(Lias.)
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Test similar to Gordiospira, with early whorls glomospiroid, later planispiral, but whorls involute, resulting in umbonal thickening
References
Museum or Author Information
Classification
Phylum:
Protista
Subphylum:
Sarcodina
Class:
Reticularea
Subclass:
Granuloreticulosia
Order:
Foraminiferida
Suborder:
Miliolina
Superfamily:
Miliolacea
Family:
Fischerinidae
Subfamily:
Cyclogyrinae
Formal Genus Name and Reference:
Hemigordius Schubert, 1908, *1686, p. 381
Type Species:
Cornuspira schlumbergeri HOWCHIN, 1895, *967, p. 195
Images
(Click to enlarge in a new window)
Fig. 333,1. *H. schlumbergeri (Howchin), Carb., Australia, 1a-c, opposite sides and edge of topotype, X62 (*2117)
Synonyms
Geographic Distribution
Australia, N.Am., Eu., USSR
Age Range
Beginning Stage in Treatise Usage:
Carb.
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Jur.(Lias.)
Ending International Stage:
Toarcian
Fraction Up In Ending Stage:
100
Ending Date:
174.7
Description
Test similar to Gordiospira, with early whorls glomospiroid, later planispiral, but whorls involute, resulting in umbonal thickening