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Bactrognathus
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
Bactrognathodae
Formal Genus Name and Reference:
Bactrognathus Branson & MEHL, 1941c, p. 98
Type Species:
B. hamata, OD
Images
(Click to enlarge in a new window)
Fig. 116, 1. *B. hamatus, holotype, Pierson Ls., USA (Mo.), la-c, upper, lower, and lat. views, X25 (Branson & Mehl, 1941c).
Synonyms
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Miss. (Osag. or Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Miss. (Osag. or Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Apparatus unknown. Pectiniform element carminate with straight anterior process and laterally deflected posterior process that is only one-third as long as anterior process. Under side of both processes longitudinally grooved, basal cavity cup-shaped.
References
Museum or Author Information
Classification
Phylum:
Conodonta
Class:
Conodonta
Order:
Conodontophorida
Superfamily:
Conodontophorida - SuperFamily Unknown
Family:
Bactrognathodae
Formal Genus Name and Reference:
Bactrognathus Branson & MEHL, 1941c, p. 98
Type Species:
B. hamata, OD
Images
(Click to enlarge in a new window)
Fig. 116, 1. *B. hamatus, holotype, Pierson Ls., USA (Mo.), la-c, upper, lower, and lat. views, X25 (Branson & Mehl, 1941c).
Synonyms
Geographic Distribution
N.Am.-Eu.
Age Range
Beginning Stage in Treatise Usage:
L.Miss. (Osag. or Tournais.)
Beginning International Stage:
Tournaisian
Fraction Up In Beginning Stage:
0
Beginning Date:
359.3
Ending Stage in Treatise Usage:
L.Miss. (Osag. or Tournais.)
Ending International Stage:
Tournaisian
Fraction Up In Ending Stage:
100
Ending Date:
346.73
Description
Apparatus unknown. Pectiniform element carminate with straight anterior process and laterally deflected posterior process that is only one-third as long as anterior process. Under side of both processes longitudinally grooved, basal cavity cup-shaped.