10 genera are assigned to the class PTEROBRANCHIA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| CEPHALODISCIDA | Cephalodiscus | T | Eo-m | R | |
| CEPHALODISCIDA | Eocephalodiscus | O | Trem-u | O | Trem-u |
| CEPHALODISCIDA | Pterobranchites | O | Llde | O | Llde |
| RHABDOPLEURIDA | Cylindrotheca | S | ? | S | ? |
| RHABDOPLEURIDA | Graptovermis | O | Trem-u | O | Llvi-l |
| RHABDOPLEURIDA | Kystodendron | O | Aren | S | u |
| RHABDOPLEURIDA | Rhabdopleurites | O | m | O | m |
| RHABDOPLEURIDA | Rhabdopleuroides | O | Llvi | O | Ashg |
| RHABDOPLEURIDA | Rhabdotubus | Cm | mMid-u | Cm | uMid-m |
| RHABDOPLEURIDA | Rhapdopleura | Cm | uMid | R | |
Search Again
FOP = Period of first occurrence
FOS = Stage of first occurrence
LOP = Period of last occurrence
LOS = Stage of last occurrence
Stage abbreviations follow Sepkoski (2002).