Pterospermella |
Pterospermella hartii
|
Nd |
Late Oxfordian |
|
Pterospermella |
Pterospermella heliantoides
|
Nd |
Ypresian |
|
Pterospermella |
Pterospermella helios
|
Nd |
Kimmeridgian |
|
Pterospermella |
Pterospermella heol
|
Nd |
Devonian |
|
Pterospermella |
Pterospermella hermosita
|
Spain |
Emsian |
|
Pterospermella |
Pterospermella latibalteus
|
Nd |
Late Devonian |
|
Pterospermella |
Pterospermella latimarginata
|
Nd |
Late Llandoverian |
Ludlovian |
Pterospermella |
Pterospermella libyensis
|
Nd |
Llandoverian |
|
Pterospermella |
Pterospermella macroptera
|
Nd |
Portlandian |
|
Pterospermella |
Pterospermella malaca
|
Nd |
Late Gedinnian |
|
Pterospermella |
Pterospermella martinii
|
Nd |
Gedinnian |
Emsian |
Pterospermella |
Pterospermella microptera
|
Nd |
Eocene |
|
Pterospermella |
Pterospermella mirabilis
|
Nd |
Late Famennian |
|
Pterospermella |
Pterospermella nuragica
|
Nd |
Late Arenigian |
|
Pterospermella |
Pterospermella occidua
|
Nd |
Gedinnian |
|
Pterospermella |
Pterospermella onondagaensis
|
Nd |
Middle Devonian |
|
Pterospermella |
Pterospermella pernambucensis
|
Nd |
Middle Devonian |
|