Marphysaites |
Marphysaites gomphoidites
|
North America |
Middle Devonian |
|
Marphysaites |
Marphysaites junctus
|
North America |
Middle Devonian |
|
Nereidavus |
Nereidavus admixtus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus alatus
|
North America |
Middle Ordovician |
|
Nereidavus |
Nereidavus angulatus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus angulosus
|
North America |
Middle Ordovician |
|
Nereidavus |
Nereidavus artatus
|
North America |
Middle Ordovician |
|
Nereidavus |
Nereidavus avinoffi
|
North America |
Middle Ordovician |
|
Nereidavus |
Nereidavus curtidentatus
|
North America |
Middle Devonian |
|
Nereidavus |
Nereidavus decoctus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus difficulis
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus digitus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus disjunctus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus distinctus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus diversus
|
North America |
Late Devonian |
|
Nereidavus |
Nereidavus exploratus
|
North America |
Middle Devonian |
|
Nereidavus |
Nereidavus forcicarinatus
|
North America |
Middle Devonian |
|