Alasphaera |
Alasphaera tuberculata
|
England(Yorkshire) |
Early Hauterivian |
|
Heptasphaera |
Heptasphaera michaelii
|
England(Yorkshire) |
Early Hauterivian |
|
Obliquipithonella |
Obliquipithonella
|
England(Yorkshire) |
Late Berriasian |
|
Obliquipithonella |
Obliquipithonella carteri
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella edgarii
|
England(Yorkshire) |
Late Berriasian |
|
Obliquipithonella |
Obliquipithonella loeblichii
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella loeblichii
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella multistrata
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella patriciagreeleyae
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella quiltyi
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella sheilasantawae
|
England(Yorkshire) |
Late Berriasian |
|
Obliquipithonella |
Obliquipithonella sp
sp. nov. |
England(Yorkshire) |
Early Valanginian |
|
Obliquipithonella |
Obliquipithonella strobila
|
England(Yorkshire) |
Early Hauterivian |
|
Obliquipithonella |
Obliquipithonella tanyphloia
|
England(Yorkshire) |
Late Berriasian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella thayeri
|
England(Yorkshire) |
Early Valanginian |
Early Hauterivian |
Obliquipithonella |
Obliquipithonella thayeri
|
England(Yorkshire) |
Early Valanginian |
Early Hauterivian |
Orthopithonella |
Orthopithonella
|
England(Yorkshire) |
Late Berriasian |
|