Placodermi |
Contents
General morphology | 1 |
Histology | 15 |
References and bibliography | 121 |
Copyright | |
1 other sections not shown
Common terms and phrases
Acanthothoraci AGASSIZ anteriorly Antiarcha Arthrodira beds Bothriolepis broad centrals Coccosteina Coccosteus cranial roof DENISON dental plates dermal bones Dinichthys dorsal view Dunkleosteus EASTMAN edge Eifelian elongated Emsian endocranium Famennian Family formation Frasnian fused genus Givetian GROSS HEINTZ hyomandibulas infragnathals intero-lateral JAEKEL jaws lateral lines main lateral lines median dorsal medio-ventral Middle Devonian Eifelian Middle Devonian Givetian MILES moderately narrow NEWBERRY nian nuchal gap OBRUCHEV orbits ornament ØRVIG Pachyosteina paired paranuchals pectoral fenestrae pectoral fins Petalichthyida Phlyctaenius Phyllolepida pineal pit lines Placodermi posterior dorso-laterals posterior laterals posterior ventro-laterals posteriorly postorbitals postpineal preorbitals primitive Pseudopetalichthyida Ptyctodontida relatively Rhenanida ridges rostral sensory canals sensory lines short shoulder girdle Siegenian Skull length slender spinal plates spine Spitsbergen STENSIÖ Stensioellida suborbital Suborder supragnathals supraorbital canals terior tesserae trunk shield tubercles Type species Upper Devonian Frasnian Upper Devonian Upper ventral shield ΑΙ