Cheiruridae
| Cheiruridae Temporal range: Ordovician–Devonian | |
|---|---|
 | |
| Paraceraurus exsul, Middle Ordovician, St. Petersburg region, Russia | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Arthropoda |
| Class: | Trilobita |
| Order: | Phacopida |
| Family: | Cheiruridae Hawle & Corda, 1847 |
| Genera | |
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see text | |
Cheiruridae is a family of phacopid trilobites of the suborder Cheirurina. Its members, as with other members of the suborder, had distinctive pygidia modified into finger-like spines. They first appeared near the very beginning of the Ordovician, and persisted until the Devonian.[1]
Genera
- Acanthoparypha
- Actinopeltis
- Anasobella
- Ancyginaspis
- Apollonaspis
- Arcticeraurinella
- Aleia
- Areiaspis
- Azyptyx
- Barrandeopeltis
- Borealaspis
- Bornholmaspis
- Bufoceraurus
- Ceraurinella
- Ceraurinium
- Ceraurinus
- Cerauromeros
- Cerauropeltis
- Ceraurus
- Cheirurus (type genus)
- Chiozoon
- Contracheirurus
- Courtessolium
- Crotalocephalides
- Crotalocephalina
- Crotalocephalus
- Ceraurinella
- Cybelloides
- Cyrtometopus
- Deiphon
- Didrepanon
- Eccoptochile
- Eccoptochiloides
- Forteyops
- Foulonia
- Gabriceraurus
- Geracephalina
- Hadromeros
- Hammannopyge
- Hapsiceraurus
- Heliomera
- Heliomeroides
- Holia
- Hyrokybe
- Junggarella
- Kawina
- Kolymella
- Krattaspis
- Ktenoura
- Laneites
- Lehua
- Leviceraurus
- Nieszkowskia
- Onycopyge
- Osekaspis
- Pandaspinapyga
- Paraceraurus
- Parasphaerexochus
- Parayoungia
- Parisoceraurus
- Pateraspis
- Patomaspis
- Placoparina
- Pompeckia
- Proromma
- Protocerauroides
- Pseudocheirurus
- Pseudosphaerexochus
- Radiurus
- Ratinkaspis
- Reraspis
- Skelipyx
- Sphaerexochus
- Sphaerocoryphe
- Stubblefieldia
- Sycophantia
- Turantyx
- Valongia
- Whittakerites
- Xylabion
- Xystocrania
- Youngia
- Zazvorkaspis
References
- ↑ Curtis R. Congreve & Bruce S. Lieberman (2010). "Phylogenetic and biogeographic analysis of deiphonine trilobites" (PDF). Journal of Paleontology 84 (1): 128–136. doi:10.1666/09-026.1.
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