Chelediscus Temporal range: [1]
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a drawing of a cephalon and pygidium of Chelediscus acifer | |
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Genus: | Chelediscus Rushton, 1966
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Chelediscus Rushton, 1966, [2] is a genus of Eodiscinid trilobite belonging to the family Weymouthiidae Kobayashi T. (1943), [3] Order Agnostida Salter (1864). [4] The Treatise assigns this genus to the Calodiscidae; Cotton and Fortey (2005) [5] however move it to the Weymouthiidae. Chelediscus lived during the later part of the Botomian stage. [1]
. Chelediscus is known from upper lower Cambrian strata in England, Newfoundland, New York State and Russia (Rushton, 1966; Fletcher, 2003; [6] Rasetti, 1967; [7] Jell in Kaesler, 1997; [8]
C. acifer is also recorded from a Limestone at the top of the Torneträsk Formation, probably Ornamentaspis? linnarssoni Assemblage Zone, in the Luobakti section, south of Lake Torneträsk, northern Swedish Lapland [9] and the lower to middle Brigus Formation (Hupeolenus Zone; Tannudiscus balanus Subzone) at Cape St Mary's, Newfoundland (Fletcher, 2003).
Chelediscus Temporal range: [1]
| |
---|---|
![]() | |
a drawing of a cephalon and pygidium of Chelediscus acifer | |
Scientific classification | |
Kingdom: | |
Phylum: | |
Class: | |
Order: | |
Suborder: | |
Superfamily: | |
Family: | |
Genus: | Chelediscus Rushton, 1966
|
species | |
|
Chelediscus Rushton, 1966, [2] is a genus of Eodiscinid trilobite belonging to the family Weymouthiidae Kobayashi T. (1943), [3] Order Agnostida Salter (1864). [4] The Treatise assigns this genus to the Calodiscidae; Cotton and Fortey (2005) [5] however move it to the Weymouthiidae. Chelediscus lived during the later part of the Botomian stage. [1]
. Chelediscus is known from upper lower Cambrian strata in England, Newfoundland, New York State and Russia (Rushton, 1966; Fletcher, 2003; [6] Rasetti, 1967; [7] Jell in Kaesler, 1997; [8]
C. acifer is also recorded from a Limestone at the top of the Torneträsk Formation, probably Ornamentaspis? linnarssoni Assemblage Zone, in the Luobakti section, south of Lake Torneträsk, northern Swedish Lapland [9] and the lower to middle Brigus Formation (Hupeolenus Zone; Tannudiscus balanus Subzone) at Cape St Mary's, Newfoundland (Fletcher, 2003).