Gyracanthus
Extinct genus of cartilaginous fishes
From Wikipedia, the free encyclopedia
Gyracanthus (from Greek: γύρος gyros, 'curved' and Greek: ἄκανθα akantha, 'spine')[2] is an extinct genus of acanthodian.[3]
| Gyracanthus Temporal range: | |
|---|---|
| Shoulder girdle and pectoral fin spine of Gyracanthus sherwoodi, Academy of Natural Sciences of Drexel University | |
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Chondrichthyes |
| Subclass: | †Acanthodii |
| Order: | †Climatiiformes (?) |
| Family: | †Gyracanthidae |
| Genus: | †Gyracanthus Agassiz, 1837[1] |
| Species: | |
|
See text | |

Species
There are at least twenty one definitively known species, and at least one species tentatively assigned to Gyracanthus.
- G. alleni
- G. alnwicensis
- G. compressus
- G. convexus
- G. cordatus
- G. duplicatus
- G. falciformis
- G. formosus
- G. incurvus
- G. inornatus
- G.? jasperi
- G. magnificus
- G. nobilis
- G. obliquus
- G. parvulus
- G. primaevus
- G. rectus
- G. rothrocki
- G. sarlei
- G. sherwoodi
- G. tuberculatus
- G. youngii