40 genera are assigned to the class ROSTROCONCHIA
| Order | Genus | FOP | FOS | LOP | LOS |
|---|
| CONOCARDIOIDA | Aphelakardia | C | Tour-l | C | Tour-u |
| CONOCARDIOIDA | Arceodomus | C | Serp-l | P | Sakm |
| CONOCARDIOIDA | Bigalea | S | Wenl | D | Give-l |
| CONOCARDIOIDA | Bransonia | O | Trem-l | P | Guad-u |
| CONOCARDIOIDA | Cassowarioides | S | Wenl | S | Wenl |
| CONOCARDIOIDA | Conocardium | D | Sieg | C | Mosc |
| CONOCARDIOIDA | Eopteria | Cm | Trep-u | O | Cara-l |
| CONOCARDIOIDA | Euchasma | Cm | Dres | O | Llvi-l |
| CONOCARDIOIDA | Hippocardia | O | Llde | C | Mosc-u |
| CONOCARDIOIDA | Mulceodens | S | Wenl | D | Give-l |
| CONOCARDIOIDA | Nehedia | S | Wenl | S | Wenl |
| CONOCARDIOIDA | Pojetaconcha | P | Sakm-u | P | Sakm-u |
| CONOCARDIOIDA | Pseudobigalea | C | Mosc-u | C | Mosc-u |
| CONOCARDIOIDA | Pseudoconocardium | C | Serp-l | P | Guad-u |
| CONOCARDIOIDA | Pseudomulceodens | C | Tour-u | C | Tour-u |
| CONOCARDIOIDA | Wanwanella | Cm | Trep-u | O | Trem |
| CONOCARDIOIDA | Wanwanoidea | O | Trem | O | Trem |
| RIBEIRIOIDA | Anisotechnophorus | O | Trem-l | O | Trem-l |
| RIBEIRIOIDA | Apoptopegma | Cm | Dres-l | O | Trem-l |
| RIBEIRIOIDA | Cymatopegma | Cm | Trep-u | Cm | Trep-u |
| RIBEIRIOIDA | Eoischyrina | Cm | Trep-u | Cm | Trep-u |
| RIBEIRIOIDA | Euchasmella | O | Trem | O | Trem |
| RIBEIRIOIDA | Heraultipegma | Cm | Tomm-l | Cm | Atda-l |
| RIBEIRIOIDA | Ischyrinia | O | Cara-l | O | Ashg-m |
| RIBEIRIOIDA | Kimopegma | Cm | Trep-u | Cm | Trep-u |
| RIBEIRIOIDA | Myocaris | O | Llde | O | Llde |
| RIBEIRIOIDA | Oepikila | Cm | Dres-u | Cm | Dres-u |
| RIBEIRIOIDA | Pauropegma | O | Trem-u | O | Aren |
| RIBEIRIOIDA | Pinnocaris | Cm | Trep-u | S | Ldov-u |
| RIBEIRIOIDA | Pleuropegma | Cm | Dres-l | Cm | Dres-l |
| RIBEIRIOIDA | Pseudoeuchasma | O | Trem | O | Trem |
| RIBEIRIOIDA | Pseudotechnophorus | Cm | Trep-u | Cm | Trep-u |
| RIBEIRIOIDA | Ptychopegma | O | Trem-l | O | Trem-u |
| RIBEIRIOIDA | Ribeiria | Cm | Dres-l | O | Ashg |
| RIBEIRIOIDA | Riberina | O | Aren | O | Aren |
| RIBEIRIOIDA | Rostroconus | Cm | Tomm-l | Cm | Tomm-u |
| RIBEIRIOIDA | Technophorus | O | Trem-l | S | Ldov-u |
| RIBEIRIOIDA | Tolmachovia | O | Trem-u | O | Llde |
| RIBEIRIOIDA | Wanwania | Cm | Dres-u | O | Trem |
| RIBEIRIOIDA | Watsonella | V | N-Da | Cm | Atda |
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).