Welcome to the Trilobite subsite on Invertebrate Paleontology!
Please enter a genera name to retrieve more information.
Prionopeltis
Classification
Phylum:
Arthropoda
Subphylum:
Trilobitomorpha
Class:
Trilobita
Order:
Ptychopariida
Suborder:
Illaenina
Superfamily:
Proetacea
Family:
Proetidae
Subfamily:
Proetidellinae
Formal Genus Name and Reference:
Prionopeltis Hawle & CORDA, 1847 [pro P!laeton BARRANDE, 1846 (non LINNE, 1758]
Type Species:
Phaeton archiaci Barrande, 1846, SD VOGDES, 1925
Images
(Click to enlarge in a new window)
Fig. 301, 2. *P. archiaci (Barrande), Sil. (e beta Zone), Czech., exoskel., x1.5 (3).
Synonyms
Prionurus, Phaetonides
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cephalon with outer border rather narrow, border furrow distinct and preglabellar field conspicuous, glabella short, scarcely tapering, with broad rounded front, 1p lateral lobes separated, anterior sections of facial sutures long, strongly divergent, librigenae broad, continuing into long furrowed genal spines, visual surface of eyes large but short. Thorax with 10 segments, pleurae with pointed ends. Pygidium large, axis long and narrow, with 9 or 10 rings, pleural fields with 4 to 7 pleurae that continue into marginal spines, no border or border furrow.
References
Museum or Author Information
Classification
Phylum:
Arthropoda
Subphylum:
Trilobitomorpha
Class:
Trilobita
Order:
Ptychopariida
Suborder:
Illaenina
Superfamily:
Proetacea
Family:
Proetidae
Subfamily:
Proetidellinae
Formal Genus Name and Reference:
Prionopeltis Hawle & CORDA, 1847 [pro P!laeton BARRANDE, 1846 (non LINNE, 1758]
Type Species:
Phaeton archiaci Barrande, 1846, SD VOGDES, 1925
Images
(Click to enlarge in a new window)
Fig. 301, 2. *P. archiaci (Barrande), Sil. (e beta Zone), Czech., exoskel., x1.5 (3).
Synonyms
Prionurus, Phaetonides
Geographic Distribution
Eu.
Age Range
Beginning Stage in Treatise Usage:
Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
M.Dev.
Ending International Stage:
Givetian
Fraction Up In Ending Stage:
100
Ending Date:
378.9
Description
Cephalon with outer border rather narrow, border furrow distinct and preglabellar field conspicuous, glabella short, scarcely tapering, with broad rounded front, 1p lateral lobes separated, anterior sections of facial sutures long, strongly divergent, librigenae broad, continuing into long furrowed genal spines, visual surface of eyes large but short. Thorax with 10 segments, pleurae with pointed ends. Pygidium large, axis long and narrow, with 9 or 10 rings, pleural fields with 4 to 7 pleurae that continue into marginal spines, no border or border furrow.