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Leonaspis
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Odontopleurida
Superfamily:
Dalmanitacea
Family:
Odontopleuridae
Formal Genus Name and Reference:
Leonaspis Richter & Richter, 1917,
Type Species:
Odontopleura leonhardi BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 398,3. L. (L.) williamsi WHITTINGTON, L.Dev., Okla.; 3a, exoskel. (reconste.); 3b, ceph., anterior; 3e, hypostoma; all X 1.5 (496" )
Synonyms
Acanthaloma, Acantholoma
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Distinguished from Odontopleura by smaller, lower, lateral glabellar lobes, occipital ring with median tubercle or spine and lacking occipital lobes, larger eye lobes situated in inner, posterior corners of genal regions, stouter Iibrigenal and posterior pleural spines, latter more backwardly directed, narrower (tr.) pygidium.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Odontopleurida
Superfamily:
Dalmanitacea
Family:
Odontopleuridae
Formal Genus Name and Reference:
Leonaspis Richter & Richter, 1917,
Type Species:
Odontopleura leonhardi BARRANDE, 1846
Images
(Click to enlarge in a new window)
Fig. 398,3. L. (L.) williamsi WHITTINGTON, L.Dev., Okla.; 3a, exoskel. (reconste.); 3b, ceph., anterior; 3e, hypostoma; all X 1.5 (496" )
Synonyms
Acanthaloma, Acantholoma
Geographic Distribution
Eu.-N.Am.
Age Range
Beginning Stage in Treatise Usage:
L.Sil.
Beginning International Stage:
Rhuddanian
Fraction Up In Beginning Stage:
0
Beginning Date:
443.07
Ending Stage in Treatise Usage:
L.Dev.
Ending International Stage:
Emsian
Fraction Up In Ending Stage:
100
Ending Date:
394.3
Description
Distinguished from Odontopleura by smaller, lower, lateral glabellar lobes, occipital ring with median tubercle or spine and lacking occipital lobes, larger eye lobes situated in inner, posterior corners of genal regions, stouter Iibrigenal and posterior pleural spines, latter more backwardly directed, narrower (tr.) pygidium.