-
Lower GSSP
ratified 1980
Upper boundary definition FAD of the
Graptolite Saetograptus (Colonograptus)
varians Upper boundary GSSP
Pitch Coppice, Ludlow, U...
- span
formality Formal Lower boundary definition FAD of the
Graptolite Saetograptus (Colonograptus)
varians Lower boundary GSSP
Pitch Coppice, Ludlow, U...
- Shropshire, England, U.K.
Imprecise GSSP. Biologic: Near
first appearance of
Saetograptus leintwardinensis (Graptolite). 52°21′33″N 2°46′38″W / 52.3592°N 2.7772°W...
-
Lower GSSP
ratified 1980
Upper boundary definition FAD of the
graptolite Saetograptus (Colonograptus)
varians Upper boundary GSSP
Pitch Coppice, Ludlow, U...
-
Formal Lower boundary definition Imprecise. Near FAD of the
graptolite Saetograptus leintwardinensis Lower boundary definition candidates None
Lower boundary...
- Barrande, 1850
Rastrograptus Monograptidae Hopkinson & Lapworth, 1875
Saetograptus Monograptidae Přibyl, 1942
Sinodiversograptus Monograptidae Mu & Chen...
- †Rastrites Barrande, 1850 †Rastrograptus
Hopkinson & Lapworth, 1875 †
Saetograptus Přibyl, 1942 †Sinodiversograptus Mu & Chen, 1962 †Skalograptus Tsegelniuk...
-
Gorsty village southwest of Ludlow. The base of the age is
marked by
Saetograptus (Colonograptus) varians. The type
section is
located in a
quarry in the...
- †Saccoglossus †Saccoglossus
testa – type
locality for
species †
Saetograptus †
Saetograptus colonus †Sagenodus †Sagenodus
cristatus – type
locality for species...
