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Lisogoragnostus
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Agnostida
Superfamily:
Uncertain
Family:
Phalacromidae
Formal Genus Name and Reference:
Lisogoragnostus Rozova in Lisogor, Rozov, & ROZOVA, 1988, p. 64
Type Species:
* L. kalisae, OD, holotype (Lisogor, Rozov, & ROZOVA, 1988, pl. 5, fig. 9), 848/36, CSGM, Novosibirsk
Images
(Click to enlarge in a new window)
Fig. 240,5. *L. kalisae, Middle Cambrian (Amgaian, beds with Peronopsis fallax), southern Kazakhstan (Kirshabakty River); holotype, exoskeleton, CSGM 848/36, ×12 (Lisogor, Rozov, & Rozova, 1988, pl. 5, fig. 9).
Synonyms
Geographic Distribution
Kazakhstan, beds with Peronopsis fallax; Russia (Siberian Platform), Tomagnostus fissus Zone.
Age Range
Beginning Stage in Treatise Usage:
Middle Cambrian
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
Middle Cambrian
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
The cephalon is partly effaced, with vestigial basal lobes and glabellar culmination, and well-defined border furrows. The pygidium appears to lack a border or border furrows, with a wide, short axis bearing a low axial node anteriorly and lacking F1 and F2 furrows.
References
Lisogor, K. A., S. N. Rozov, \& A. V. Rozova. 1988. Korrelyatsiya srednekembriyskikh otlozheniy Malogo Karatau i Sibirskoy Platformy po trilobitam. Trudy Instituta Geologii i Geofiziki 720:54-82, pl. 4-7.
Museum or Author Information
Classification
Phylum:
Unknown
Class:
Trilobata
Order:
Agnostida
Superfamily:
Uncertain
Family:
Phalacromidae
Formal Genus Name and Reference:
Lisogoragnostus Rozova in Lisogor, Rozov, & ROZOVA, 1988, p. 64
Type Species:
* L. kalisae, OD, holotype (Lisogor, Rozov, & ROZOVA, 1988, pl. 5, fig. 9), 848/36, CSGM, Novosibirsk
Images
(Click to enlarge in a new window)
Fig. 240,5. *L. kalisae, Middle Cambrian (Amgaian, beds with Peronopsis fallax), southern Kazakhstan (Kirshabakty River); holotype, exoskeleton, CSGM 848/36, ×12 (Lisogor, Rozov, & Rozova, 1988, pl. 5, fig. 9).
Synonyms
Geographic Distribution
Kazakhstan, beds with Peronopsis fallax; Russia (Siberian Platform), Tomagnostus fissus Zone.
Age Range
Beginning Stage in Treatise Usage:
Middle Cambrian
Beginning International Stage:
Cambrian Stage 4
Fraction Up In Beginning Stage:
0
Beginning Date:
512.3
Ending Stage in Treatise Usage:
Middle Cambrian
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
The cephalon is partly effaced, with vestigial basal lobes and glabellar culmination, and well-defined border furrows. The pygidium appears to lack a border or border furrows, with a wide, short axis bearing a low axial node anteriorly and lacking F1 and F2 furrows.
References
Lisogor, K. A., S. N. Rozov, \& A. V. Rozova. 1988. Korrelyatsiya srednekembriyskikh otlozheniy Malogo Karatau i Sibirskoy Platformy po trilobitam. Trudy Instituta Geologii i Geofiziki 720:54-82, pl. 4-7.