| Name | From | To | Age range |
|---|---|---|---|
| Membranilarnax | Mesozoic | Eocene |
|
| Membranilarnax amandopolitana | Late Bathonian | Callovian |
|
| Membranilarnax angustivele | Paleocene | Middle Eocene |
|
| Membranilarnax australis | Early Tertiary | Early Tertiary |
|
| Membranilarnax characta | Albian | Albian |
|
| Membranilarnax clathroderma | Early Eocene | Early Eocene |
|
| Membranilarnax formosa | Albian | Albian |
|
| Membranilarnax gigantea | Albian | Albian |
|
| Membranilarnax leptoderma | Early Hauterivian | Early Hauterivian |
|
| Membranilarnax liradiscoides | Late Cretaceous | Danian |
|
| Membranilarnax marina | Nd | Nd |
|
| Membranilarnax marinum | Recent | Recent |
|
| Membranilarnax ovulum | Jurassic | Early Oxfordian |
|
| Membranilarnax pirus | Ordovician | Ordovician |
|
| Membranilarnax pterococcoides | Late Cretaceous | Paleocene |
|
| Membranilarnax pterospermoides | Cretaceous | Priabonian |
|
| Membranilarnax reticulovata | Albian | Albian |
|