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Microparia
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Cyclopygacea
Family:
Cyclopygidae
Formal Genus Name and Reference:
Microparia HAWLE & CORDA, 1847
Type Species:
M. speciosa
Images
(Click to enlarge in a new window)
Fig. 269, 3. 'M. speeiosa, " d epsilon" Zone, Czech.; exoskel., Xl (3,4).
Synonyms
Geographic Distribution
C.Eu.-W.Eu.-E.N.Am.
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Glabella with straight sides or somewhat convergent forward, without furrows; eyes barely continuing to ventral side or not at all. Thorax with 5 or 6 segments; axis very broad, scarcely tapering backward. Pygidium semicircular; segmentation faint; axis triangular, anteriorly very broad; border faint or absent.
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Cyclopygacea
Family:
Cyclopygidae
Formal Genus Name and Reference:
Microparia HAWLE & CORDA, 1847
Type Species:
M. speciosa
Images
(Click to enlarge in a new window)
Fig. 269, 3. 'M. speeiosa, " d epsilon" Zone, Czech.; exoskel., Xl (3,4).
Synonyms
Geographic Distribution
C.Eu.-W.Eu.-E.N.Am.
Age Range
Beginning Stage in Treatise Usage:
Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
Ord.
Ending International Stage:
Hirnantian
Fraction Up In Ending Stage:
100
Ending Date:
443.07
Description
Glabella with straight sides or somewhat convergent forward, without furrows; eyes barely continuing to ventral side or not at all. Thorax with 5 or 6 segments; axis very broad, scarcely tapering backward. Pygidium semicircular; segmentation faint; axis triangular, anteriorly very broad; border faint or absent.