TAXA OF LIFE


Animal Kingdom

HIERARCHICAL CLASSIFICATION OF THE SUPERCLASS CONODONTOMORPHI+

EUKARYA>UNIKONTA>OPISTHOKONTA>ANIMALIA>BILATERIA>DEUTEROSTOMATA>CRANIATA>VERTEBRATA>CONODONTOMORPHI

The following descriptions come from Benton (2005) and Nelson (2006).  The structure of the following system is based on Sweet and Donoghue (2001).  Taxa in red are extinct.  

SUPERCLASS CONODONTOMORPHI+

CLASS CONODONTA                                 

  Although many genera are recognized, they are based on tooth morphology; so, relationships between the taxa are artificial.

Late Cambrian to late Triassic

UNASSIGNED GENERA

Acodus, Amorphognathus, Anticostiodus, Basselodus, Belodina, Carniodus, Cornuodus, Culumbodina, Curtognathus, Dapsilodus, Decoriconus, Diaphorodus, Drepanodus, Erismodus, Erraticodon, Fahraeusodus, Gamachignathus, Hamarodus, Histiodella, Istorinus, Juanognathus, Jumudontus, Kallidontus, Lenodus, Microzarkodina, Oepikodus, Oistodus, Oulodus, Paroistodus, Pedavis, Phragmodus, Polonodus, Pseudobelodina, Pseudooneotodus, Pteracontiodus, Pterospathodus, Pygodus, Scabbardella, Scolopodus, Scyphoidus, Spinodus, Staufferella, Stereoconus, Strachanognathus, Streptognathus, Taoqupognathus, Tripodus, Walliserodus, Yaoxianognathus.

? Semiaccontiodus, Clavohamulus, Drepanoistidus, Utahconus,  Hirsutodontus, Clydagnathus

UNASSIGNED FAMILY

FAMILY PARACORDYLODONTIDAE

Paracordylodus.

SUBCLASS CAVIDONTI

 

ORDER PROCONODONTIDA

UNASSIGNED GENERA

Proconodontus

FAMILY FRYXELLODONTIDAE

Dzikodus, Kallidontus.

FAMILY PYGODONTIDAE

FAMILY CORDYLODONTIDAE

Cordylodus, Econodontus, Iapetognathus.

FAMILY ASELLIIDAE

FAMILY DAPSILODONTIDAE

FAMILY BELODELLIDAE

SUBCLASS CONODONTI

 

ORDER PROTOPANDERODONTIDA

FAMILY PROTOPANDERODONTIDAE

Protopanderodus.

FAMILY CLAVOHAMULIDAE

FAMILY DREPANOISTODONTIDAE

Drepanoistododus

FAMILY ACANTHODONTIDAE

ORDER PANDERODONTIDA

Incertae Sedis:

Teridontus

FAMILY PANDERODONTIDAE

Panderodus.

ORDER PRIONIODONTIDA

UNASSIGNED GENUS

Rossodus

FAMILY MULTIOISTODONTIDAE

FAMILY OISTODONTIDAE

FAMILY PERIODONTIDAE

Periodon.

FAMILY RHIPIDOGNATHIDAE

Trincodus, Appalachignathus, Bergstroemognathus, Rhipidognathus.

FAMILY PRIONIODONTIDAE

Prioniodus, Reutterodus, Striptognathus.

FAMILY BALOGNATHIDAE (?)

FAMILY POLYPLACOGNATHIDAE

FAMILY DISTOMODONTIDAE

Distomodus.

FAMILY ICRIODELLIDAE

Icriodella.

FAMILY ICRIODONTIDAE

Icriodus.

FAMILY CYRTONIODONTIDAE

ORDER PRIONIODINIDA

UNASSIGNED GENERA

Hibbardella, Idioprionodus, Kladognathus, Phragmodus.

FAMILY CHIROGNATIDAE

Chirognathus.

FAMILY PRIONIODINIDAE

Promissum.

FAMILY BACTROGNATHIDAE

FAMILY ELLISONIIDAE

FAMILY GONDOLELLIDAE

Gondolella, Neogondolella.

FAMILY PLECTODINIDAE (paraphyletic)

Aphelognathus, Plectodina, Baltoniodus.

ORDER OZARKODINIDA

UNASSIGNED GENERA

Cordylodus

FAMILY SPATHOGNATHODONTIDAE

Ancyrodella, Ancyrognathus, Ozarkodina.

FAMILY PTEROSPATHODONTIDAE

FAMILY KOCKELELLIDAE

FAMILY POLYGNATHIDAE

Polygnathus.

FAMILY PALMATOLEPIDAE

Plamatolepis.

FAMILY ANCHIGNATHODONTIDAE

FAMILY ELECTOGNATHIDAE

FAMILY GNATHODONTIDAE

FAMILY IDIOGNATHODONTIDAE

FAMILY MESOGNATHIDAE

FAMILY CAVUSGNATHIDAE

FAMILY SWEETOGNATHIDAE

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

LITERATURE CITED

Benton, M. J. 2005. Vertebrate Paleontology. Third Edition. Blackwell Publishing, Malden, MA. [L] 

Donoghue, P. C. J., P. L. Forey, and R. J. Aldridge. 2000. Conodont affinity and chordate phylogeny. Biological Reviews. 75: 191251.

Janvier, P. 2008a. Early jawless vertebrates and cyclostome origins. Zoological Science. 25: 1045-1056.

Nelson, J. S. 2006. Fishes of the World. 4th edition. John Wiley and Sons, Inc. New York.

Sweet, W. C. and P. C. J. Donoghue. 2001. Conodonts: past, present, future. Journal of Paleontology. 75:1174-1184.

 
 

By Jack R. Holt.  Last revised: 12/24/2009