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Pseudopolygnathus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Polygnathidae
Formal Genus Name and Reference:
Pseudopolygnathus Branson & MEHL, 1934b, p. 297
Type Species:
P. prima, OD
Images
(Click to enlarge in a new window)
Fig. 112, 2. *P. primus, low.Tournais., Eu. (Wales), 2a-c, lat., upper, and lower views, X32 (Rhodes, Austin, & Druce, 1969)."
Synonyms
Macropolygnathts
Geographic Distribution
N.Am.-Eu.-Australia-S.Am.-AfricaAsia M.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
L.Miss. (Kinderhook. or Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
80.6
Ending Date:
349.17
Description
Pectiniform element scaphate with free medial blade half to one-third element length, platform symmetrical or asymmetrical with nodes or sturdy ridges, carina distinct, basal cavity usually prominent with longer dimension generally transverse to element axis, small basal pit rare.
References
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Polygnathacea
Family:
Polygnathidae
Formal Genus Name and Reference:
Pseudopolygnathus Branson & MEHL, 1934b, p. 297
Type Species:
P. prima, OD
Images
(Click to enlarge in a new window)
Fig. 112, 2. *P. primus, low.Tournais., Eu. (Wales), 2a-c, lat., upper, and lower views, X32 (Rhodes, Austin, & Druce, 1969)."
Synonyms
Macropolygnathts
Geographic Distribution
N.Am.-Eu.-Australia-S.Am.-AfricaAsia M.
Age Range
Beginning Stage in Treatise Usage:
U.Dev.
Beginning International Stage:
Frasnian
Fraction Up In Beginning Stage:
0
Beginning Date:
378.9
Ending Stage in Treatise Usage:
L.Miss. (Kinderhook. or Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
80.6
Ending Date:
349.17
Description
Pectiniform element scaphate with free medial blade half to one-third element length, platform symmetrical or asymmetrical with nodes or sturdy ridges, carina distinct, basal cavity usually prominent with longer dimension generally transverse to element axis, small basal pit rare.