- Family: †Ptychagnostidae Genus: †Ptychagnostus Jaekel, 1909
Synonyms Triplagnostus Linnarsson, 1869
Huarpagnostus Rusconi, 1950
Solenagnostus Whitehouse...
- praecurrens-zone,
Xystridura templetonensis-zone, and Dinesus-stage, Elkedra;
Triplagnostus gibbus-zone,
Sandover Beds; both
Northern Territory), the
Russian Federation...
- Kounamkites- and
Triplagnostus gibbus-zones).
Pentagnostus (Pentagnostus),
Amgaian (Ovatoryctocara-, Kounamkites- and
Triplagnostus gibbus-zones). Pentagnostus...
- been
found in the
Middle Cambrian of
Central Asia and
North America (
Triplagnostus gibbus-zone, Nevada;
House Range, Utah;
Branche Cove, Newfoundland)...
- A.
acadicus declivus =
Peronopsis (Svenax)
scutalis A.
acutilobus =
Triplagnostus acutilobus A. americ**** =
Lotagnostus americ**** A.
atavus = Ptychagnostus...
- =Metagnostus; =Girvanagnostus)
Trinucleoides Trinucleus (=Edgellia)
Triplagnostus (=Huarpagnostus; =Solenagnostus; =Pentagnostus; =Aristarius; =Aotagnostus;...
-
Agnostonymus Pseudophalacroma Pokrovskaya, 1958
Ptychagnostus Jaekel, 1909 =
Triplagnostus, Huarpagnostus, Solenagnostus, Pentagnostus, Aristarius, Aotagnostus...
- †Thal****inoides –
tentative report †Tricrepicephalus †Trigonocercella †Trinodus †
Triplagnostus †Trocholites †Tseajaia †Tseajaia
campi – type
locality for
species †Tuzoia...
- †Trigonocerca
typica †Trigonocercella †Trigonocercella
acuta †Trinodus †
Triplagnostus †
Triplagnostus gibbus †Triplophylites †Triplophylites
compressus †Triplophylites...
-
Xystridura altera ****emblage and
probably equating to part of the
Triplagnostus gibbus Biozone in
terms of
Scandinavian biostratigraphic terminology...
