Archaealetes |
Archaealetes antiquus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes conspersus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes excisus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes membranaceus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes mutabilis
|
USSR(Baltic) |
Middle Cambrian |
|
Archaealetes |
Archaealetes scaber
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes serratus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes spectatissimus
|
USSR(Baltic) |
Middle Cambrian |
|
Archaealetes |
Archaealetes spinellosus
|
USSR(Baltic) |
Late Cambrian |
|
Archaealetes |
Archaealetes trivialis
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes aciferus
|
USSR(Baltic) |
Early Ordovician |
|
Azonomonoletes |
Azonomonoletes aculeatus
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes argutus
|
USSR(Baltic) |
Late Cambrian |
|
Azonomonoletes |
Azonomonoletes brevispinus
|
USSR(Baltic) |
Early Ordovician |
|
Azonomonoletes |
Azonomonoletes communis
|
USSR(Baltic) |
Late Ordovician |
|
Azonomonoletes |
Azonomonoletes curvispinus
|
USSR(Baltic) |
Early Ordovician |
|
Azonomonoletes |
Azonomonoletes dentatus
|
USSR(Baltic) |
Late Ordovician |
|