-
glabellar lobes, and
three pygidial lobes.
Agnostus punctuosus Angelin, 1851 from the
Ptychagnostus punctuosus zone of the Alum
Shale (Drumian),
Sweden (by original...
- (Hicks in
Salter 1865) [Family: Centropleuridae].
Menevia Formation, Pt.
punctuosus Biozone, Porth-y-rhaw, St David's, Dyfed, Wales.
Cnemidopyge Salteri Hicks...
- of
Australia (Ptychagnostus
punctuosus-zone,
Quita Formation,
Northern Territories) and
Sweden (Ptychagnostus
punctuosus-zone, Andrarum, Gislovshammar...
-
Ptychagnostus punctuosus Zone). 1
specimen (UMNH.IP.6125). A ctenop****. Thal****ostaphylos T.
elegans House Range (lower
Ptychagnostus punctuosus Zone). 1...
-
found in
Drumian sediments of 'Middle'
Marjum Formation,
Ptychagnostus punctuosus Biozone. They are less well
preserved than the
holotype but one of them...
-
during the
Middle Cambrian (Ptychagnostus
atavus Zone to
Ptychagnostus punctuosus Zone),
approximately 505 to 500
million years ago. Sepkoski, Jack (2002)...
-
Ptychagnostus punctuosus-zone). Acadagnostus,
Amgaian (Triplagnostus gibbus- and T. fissus/Ptychagnostus atavus-zones) to
Mayanian (Ptychagnostus
punctuosus-zone)...
-
Spence Shale) and
overlain (perhaps not directly) by the
Ptychagnostus punctuosus-zone. The
lower Middle Cambrian Glossopleura-zone (Spence Shale) is above...
-
Diplagnostus planicauda A.
prolongus =
Pseudagnostus prolongus A.
punctuosus =
Ptychagnostus punctuosus A.
pusilla =
Peronopsis (Svenax)
pusilla A.
quadrata = Quadragnostus...
- this
fossil is uncertain, it most
likely comes from the
Ptychagnostus punctuosus biozone,
located in the
middle of the
Marjum Formation. The
genus name...
