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Microzarkodina
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Prioniodontacea
Family:
Cyrtoniodontidae
Formal Genus Name and Reference:
Microzarkodina LINDSTRÖM, 1971, p. 57
Type Species:
Prioniodina flabellum LINDSTRÖM, 1955, OD
Images
(Click to enlarge in a new window)
Fig. 73, 1. *M. flabellum (Lindström), L.Ord. (low. Arenig.), Eu. (Sweden), 1a, P element, lat. view, 1 b, M element, lat. view, 1 c, digyrate S b element, post.-lat. view, 1d, alate S a element, post. view, le, dolabrate S c element, lat. view, all X70 (Van Wamel, 1974).
Synonyms
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Apparatus seximembrate, composed of lamellar elements, P elements carminate to segminate, with prominent cusp and relatively few denticles, especially on the short anterior process, M elements geniculate, coniform, with base extended posteriorly, S elements with long, slender cusp, relatively discrete denticles, and shallow basal cavity, Sa elements alate, without posterior process, Sb elements digyrate, Sc elements dolabrate, Sd elements quadriramate, with poorly developed anterior and lateral processes. [Apparatus reconstruction: LINDSTROM, 1971.)
References
Ziegler, Willi, , & Lindström, Maurits, 1971, Über Panderodus Ethington, 1959, und Neopanderodus n. g. (Conodonta) aus dem Devon: Neues Jahrb. Geol. Palacontol. Monatsh., Jahrg. 1971, no. 10, p. 628640, 3 text-fig.
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Prioniodontacea
Family:
Cyrtoniodontidae
Formal Genus Name and Reference:
Microzarkodina LINDSTRÖM, 1971, p. 57
Type Species:
Prioniodina flabellum LINDSTRÖM, 1955, OD
Images
(Click to enlarge in a new window)
Fig. 73, 1. *M. flabellum (Lindström), L.Ord. (low. Arenig.), Eu. (Sweden), 1a, P element, lat. view, 1 b, M element, lat. view, 1 c, digyrate S b element, post.-lat. view, 1d, alate S a element, post. view, le, dolabrate S c element, lat. view, all X70 (Van Wamel, 1974).
Synonyms
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
M.Ord.
Ending International Stage:
Darriwilian
Fraction Up In Ending Stage:
100
Ending Date:
458.18
Description
Apparatus seximembrate, composed of lamellar elements, P elements carminate to segminate, with prominent cusp and relatively few denticles, especially on the short anterior process, M elements geniculate, coniform, with base extended posteriorly, S elements with long, slender cusp, relatively discrete denticles, and shallow basal cavity, Sa elements alate, without posterior process, Sb elements digyrate, Sc elements dolabrate, Sd elements quadriramate, with poorly developed anterior and lateral processes. [Apparatus reconstruction: LINDSTROM, 1971.)
References
Ziegler, Willi, , & Lindström, Maurits, 1971, Über Panderodus Ethington, 1959, und Neopanderodus n. g. (Conodonta) aus dem Devon: Neues Jahrb. Geol. Palacontol. Monatsh., Jahrg. 1971, no. 10, p. 628640, 3 text-fig.