Psenotopus |
Psenotopus chondrocheus
|
Nd |
Wenlockian |
|
Pseudolunulidia |
Pseudolunulidia imperatrizensis
|
Nd |
Couvinian |
Strunian |
Quadraditum |
Quadraditum fantasticum
|
Nd |
Llandoverian |
Gedinnian |
Quadraditum |
Quadraditum incisum
|
Nd |
Middle Siegenian |
Early Emsian |
Quadraditum |
Quadraditum scutiferum
|
Nd |
Gedinnian |
Emsian |
Quadruilobus |
Quadruilobus spinatus
|
Nd |
Late Caradocian |
|
Retisphaeridium |
Retisphaeridium dichamerum
|
Nd |
Acadian |
|
Retisphaeridium |
Retisphaeridium vindhyanense
|
Nd |
Nd |
|
Rhachosoarium |
Rhachosoarium lappaceum
|
Nd |
Late Caradocian |
|
Rhopaliophora |
Rhopaliophora foliatilis
|
Nd |
Late Caradocian |
|
Rhopaliophora |
Rhopaliophora impexa
|
Nd |
Late Caradocian |
|
Riculasphaera |
Riculasphaera fissa
|
Nd |
Gedinnian |
|
Riculasphaera |
Riculasphaera loeblichii
|
Nd |
Late Siegenian |
Emsian |
Saharidia |
Saharidia downiei
|
Nd |
Tremadocian |
|
Saharidia |
Saharidia fragilis
|
Nd |
Tremadocian |
Arenigian |
Schismatosphaeridium |
Schismatosphaeridium combazii
|
Nd |
Emsian |
|
Schismatosphaeridium |
Schismatosphaeridium elegans
|
Nd |
Emsian |
|