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Harpides
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Harpididae
Formal Genus Name and Reference:
Harpides Beyrich, 1846, =?Dictyocephalites BERGERON, 1895
Type Species:
H. hospes
Images
(Click to enlarge in a new window)
Fig. 321, 3a. H. rugosus (Sars & Boeck), Norway-Swed., cran., × 1 (444), Fig. 321, 3b. H. grimmi (Barrande), Czech., incomplete cran. and thorax, × 0.7(370*)
Synonyms
Geographic Distribution
Vt.-Que.-Eu.-Arg.-C.Asia
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
"Glabella 0.3 of length (sag.) of cephalon, with prominent posterior lateral lobes, eye tubercles opposite anterior margin of glabella, eye ridges directed slightly backward, alae depressed below level of genae, genal caeca strong, anastomosing, extending to narrow, convex, marginal rim, irregularly spaced tiny pits between caeca on concave cephalic border. Probably cephalic doublure of same width as border (without opposing pits?), with genal spines borne by such doublure. Pygidium unknown."
References
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Ptychopariida
Superfamily:
Proetacea
Family:
Harpididae
Formal Genus Name and Reference:
Harpides Beyrich, 1846, =?Dictyocephalites BERGERON, 1895
Type Species:
H. hospes
Images
(Click to enlarge in a new window)
Fig. 321, 3a. H. rugosus (Sars & Boeck), Norway-Swed., cran., × 1 (444), Fig. 321, 3b. H. grimmi (Barrande), Czech., incomplete cran. and thorax, × 0.7(370*)
Synonyms
Geographic Distribution
Vt.-Que.-Eu.-Arg.-C.Asia
Age Range
Beginning Stage in Treatise Usage:
L.Ord.
Beginning International Stage:
Tremadocian
Fraction Up In Beginning Stage:
0
Beginning Date:
486.85
Ending Stage in Treatise Usage:
L.Ord.
Ending International Stage:
Floian
Fraction Up In Ending Stage:
100
Ending Date:
471.26
Description
"Glabella 0.3 of length (sag.) of cephalon, with prominent posterior lateral lobes, eye tubercles opposite anterior margin of glabella, eye ridges directed slightly backward, alae depressed below level of genae, genal caeca strong, anastomosing, extending to narrow, convex, marginal rim, irregularly spaced tiny pits between caeca on concave cephalic border. Probably cephalic doublure of same width as border (without opposing pits?), with genal spines borne by such doublure. Pygidium unknown."