Genus Pterospermella
- Species total:
- 122
- Age range:
- 4100 - 0 MA (obsolete dating)
- IRMNG:
- find
Name | From | To | Age range |
---|---|---|---|
Pterospermella sp.B Hash.& Play.,1998 | Frasnian | Frasnian |
|
Pterospermella sp.B | Early Tremadocian | Coniacian |
|
Pterospermella sp.A Play.& McGr.,1993 | Strunian | Early Tournaisian |
|
Pterospermella sp.A Play.& Mart.,1984 | Arenigian | Arenigian |
|
Pterospermella sp.A Play.& Drin.,1981 | Frasnian | Frasnian |
|
Pterospermella sp.A Hash.& Play.,1998 | Frasnian | Frasnian |
|
Pterospermella sp.A | Early Tremadocian | Early Campanian |
|
Pterospermella sp.6 | Early Maestrichtian | Early Maestrichtian |
|
Pterospermella sp.5 | Early Maestrichtian | Early Maestrichtian |
|
Pterospermella sp.4 | Early Maestrichtian | Early Maestrichtian |
|
Pterospermella sp.3 | Early Maestrichtian | Early Maestrichtian |
|
Pterospermella sp.2 Levy & Harw.,2000 | Middle Eocene | Late Eocene |
|
Pterospermella sp.2 Hage.,1989 | Middle Cambrian | Middle Cambrian |
|
Pterospermella sp.2 | Late Arenigian | Late Arenigian |
|
Pterospermella sp.1 Mocz.& Vida.,1986 | Late Proterozoic | Early Cambrian |
|
Pterospermella sp.1 Levy & Harw.,2000 | Middle Eocene | Late Eocene |
|
Pterospermella sp.1 | Middle Cambrian | Middle Cambrian |
|