AlethopteridaceaeW
Alethopteridaceae
AlethopterisW
Alethopteris
AnderellaW
Anderella
AnnulariaW
Annularia
Archimedes (bryozoan)W
Archimedes (bryozoan)
BasommatophoraW
Basommatophora
BrachyphyllumW
Brachyphyllum
BranchiuraW
Branchiura
CaenogastropodaW
Caenogastropoda
CalamitaceaeW
Calamitaceae
CalamitesW
Calamites
CallipteridiumW
Callipteridium
CallistophytaceaeW
Callistophytaceae
CallistophytalesW
Callistophytales
Chiton (genus)W
Chiton (genus)
ColeoideaW
Coleoidea
ColosteidaeW
Colosteidae
MedullosalesW
Medullosales
DictyopteraW
Dictyoptera
HadronectoridaeW
Hadronectoridae
HybodontiformesW
Hybodontiformes
LepidodendralesW
Lepidodendrales
MacroneuropterisW
Macroneuropteris
MedullosalesW
Medullosales
MiliolidaW
Miliolida
NeospiriferW
Neospirifer
MedullosalesW
Medullosales
NeuropterisW
Neuropteris
OpisthobranchiaW
Opisthobranchia
OrodontidaeW
Orodontidae
OrthopteraW
Orthoptera
PalaeopteraW
Palaeoptera
PleuronautilusW
Pleuronautilus
PulmonataW
Pulmonata
RhabdodermatidaeW
Rhabdodermatidae
SigillariaW
Sigillaria
TrigonotretidaeW
Trigonotretidae
TriproetusW
Triproetus
XenacanthidaeW
Xenacanthidae