Search SEDIS
| Data sets | Publications | Expeditions | Thesaurus |
Pt  | |
|---|---|
| USE | platinum |
| Pteranodon | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Archosauria | |
| ......Pterosauria | |
| .......Pteranodon | |
| SN | Genus. |
| Pteridophyllen | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| ..Pteridophyllen | |
| Pteridophyta | |
|---|---|
| BT | Plantae |
| .Pteridophyta | |
| NT | Filicopsida |
| Lycopsida | |
| Noeggerathiales | |
| Psilopsida | |
| Pteridophyllen | |
| Sphenopsida | |
| RT | Pteropsida |
| sporangia | |
| Callipteris | |
| spores | |
| Juglans | |
| vascular taxa | |
| Neuropteris | |
| SN | Before 1981, Callipteris was included as a narrower term. |
| Pteridospermae | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Gymnospermae | |
| ...Pteridospermae | |
| NT | Callipteris |
| Neuropteris | |
| RT | Sphenopteris |
| Ptilophyllum | |
| Taeniopteris | |
| Dicroidium | |
| Pecopteris | |
| Pteriina | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Bivalvia | |
| ...Pteriina | |
| NT | Anthraconaia |
| Anthraconauta | |
| Inocerami | |
| Pectinacea | |
| Pterobranchia | |
|---|---|
| NT | Cephalodiscida |
| Rhabdopleurida | |
| RT | Hemichordata |
| Invertebrata | |
| SN | Indexed with Hemichordata or Invertebrata as applicable. |
| Pterocarya | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Angiospermae | |
| ...Dicotyledoneae | |
| ....Pterocarya | |
| SN | Genus. |
| Pteropoda | |
|---|---|
| BT | Invertebrata |
| .Mollusca | |
| ..Gastropoda | |
| ...Pteropoda | |
| Pteropsida | |
|---|---|
| BT | Plantae |
| .Pteropsida | |
| RT | thallophytes |
| Angiospermae | |
| Gymnospermae | |
| Pteridophyta | |
| vascular taxa | |
| SN | Used as a general term. |
| Pterosauria | |
|---|---|
| BT | Chordata |
| .Vertebrata | |
| ..Tetrapoda | |
| ...Reptilia | |
| ....Diapsida | |
| .....Archosauria | |
| ......Pterosauria | |
| NT | Pteranodon |
| SN | Order. |
| Pterygota | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Mandibulata | |
| ...Insecta | |
| ....Pterygota | |
| NT | Neoptera |
| Palaeoptera | |
| SN | Subclass. |
| ptilolite | |
|---|---|
| USE | mordenite |
| Ptilophyllum | |
|---|---|
| BT | Plantae |
| .Spermatophyta | |
| ..Gymnospermae | |
| ...Cycadales | |
| ....Ptilophyllum | |
| RT | Bennettitales |
| Pteridospermae | |
| PTt paths | |
|---|---|
| USE | P-T-t paths |
| Ptychopariida | |
|---|---|
| BT | Invertebrata |
| .Arthropoda | |
| ..Trilobitomorpha | |
| ...Trilobita | |
| ....Ptychopariida | |
| NT | Asaphidae |
| Cryptolithus | |
| Dechenellidae | |
| Olenidae | |
| Proetidae | |
| Scutelluidae | |
| ptygma | |
|---|---|
| USE | ptygmatic folds |
| ptygmatic folds | |
|---|---|
| BT | folds |
| .ptygmatic folds | |
| UF | ptygma |
| RT | migmatites |
| SN | Before 1978, also search folds AND ptygmatic. |