Delocrinus excavatus- Perimestocrinus bulbosus
- Perimestocrinus calyculus
- Perimestocrinus formosus
- Perimestocrinus hexagonus
- Perimestocrinus impressus
- Perimestocrinus moseleyi
- Perimestocrinus nevadensis
- Perimestocrinus papillosus
- Perimestocrinus planus
- Perimestocrinus pumilis
- Perimestocrinus subtilis
- Perimestocrinus teneris