- (Pterospathodus
eopennatus ssp. n. 1, P.
eopennatus ssp. n. 2, P.
amorphognathoides angulatus, P. a.
lennarti and P. a. lithuanicus). The Sheinwoodian...
-
between acritarch biozone 5 and last
appearance of
Pterospathodus amorphognathoides. See
Llandovery for more info.
Lower boundary definition candidates...
-
between acritarch biozone 5 and last
appearance of
Pterospathodus amorphognathoides. It has been
recommended to
place the GSSP at a
slightly higher and...
-
simplex P.
unicostatus Plectospathodus P.
extensus Pterospathodus P.
amorphognathoides Spathognathodus S.
ranuliformis S. rhen**** S.
wolfordi Trichonodella...
-
Currently placed between acritarch biozone 5 and LAD of
Pterospathodus amorphognathoides. See
Llandovery for more info.
Lower boundary definition candidates...
-
between acritarch biozone 5 and last
appearance of
Pterospathodus amorphognathoides.
Candidate boundaries are a
conodont boundary (Ireviken
datum 2) which...
-
fossils have been found;
Distacodus obliquicostatus,
Pterospathodus amorphognathoides,
Kockelella ranuliformis. Taff,
Joseph A. (1902). "Atoka Folio, Indian...
- †Proterocameroceras †Pseudoniscus †Psilophyton †Pterospathodus †Pterospathodus
amorphognathoides †Pterotheca †Pterygotus †Ptychagnostus †Ptychoparia †Pyronema †Quasillites...
-
Currently placed between acritarch biozone 5 and LAD of
Pterospathodus amorphognathoides. See
Llandovery for more info.
Upper boundary definition candidates...
- (Pterospathodus
eopennatus ssp. n. 1, P.
eopennatus ssp. n. 2, P.
amorphognathoides angulatus, P. a.
lennarti and P. a. lithuanicus). The Wenlock, which...
