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Botsfordia
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Botsfordiidae
Formal Genus Name and Reference:
Botsfordia MATTHEW, 1891, p. 148
Type Species:
Obolus pulcher MATTHEW, 1889, p. 306, OD
Images
(Click to enlarge in a new window)
Fig. 48, 1a, b. $* B$. pulchra (Matthew), Hanford Brook Formation, Brunswick, Canada, USNM loc. no. 308d, $a$, ventral valve exterior, ROM 164 (C), X3.3, b, dorsal valve exterior, ROM $164 (\\mathrm{~B}), \\times 3.3 (\\mathrm{new}) .-$ Fig. $48, 1 c-g$. B. caelata (Hall), Lower Cambrian, Troy, New York, USNM loc. no. 2b, USNM 34617, $c$, detail of ventral valve ornamentation, $\\mathrm{X}_{18.3}$, $d$, posterior view of ventral valve, $X_{13.3}$, $e$, ventral pseudointerarea and pedicle groove, x17.5, f$, interior of ventral valve, $\\mathbf{X} 4.2, g$, dorsal valve interior, X4.2 (new)."
Synonyms
Mobergia
Geographic Distribution
Pakistan, ?Korea, ?Australia, USA (New York, Vermont), Lower Cambrian; Canada (Quebec, Labrador, New Brunswick), ?Spain, Lower Cambrian–Middle Cambrian; Norway, Sweden, Lower Cambrian, ?lower Middle Cambrian; ?Greenland, upper Lower Cambrian; Russia (Siberia), upper Atdabanian–Amgaian; Kazakhstan, Botomian–Toyonian; ?Mongolia, ?China, Middle Cambrian; Bohemia, Morocco, lower Middle Cambrian
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Middle Cambrian
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Shell subcircular, ventral pseudointerarea catacline, ventral interior with small, slightly thickened visceral field, with three anterior lobelike projections, not extending to midvalve, dorsal interior with narrow anterior projection extending to midvalve, bisected by median ridge, ventral larval shell with single median tubercle
References
Museum or Author Information
Classification
Phylum:
Brachiopoda
Class:
Lingulata
Order:
Lingulida
Superfamily:
Acrotheloidea
Family:
Botsfordiidae
Formal Genus Name and Reference:
Botsfordia MATTHEW, 1891, p. 148
Type Species:
Obolus pulcher MATTHEW, 1889, p. 306, OD
Images
(Click to enlarge in a new window)
Fig. 48, 1a, b. $* B$. pulchra (Matthew), Hanford Brook Formation, Brunswick, Canada, USNM loc. no. 308d, $a$, ventral valve exterior, ROM 164 (C), X3.3, b, dorsal valve exterior, ROM $164 (\\mathrm{~B}), \\times 3.3 (\\mathrm{new}) .-$ Fig. $48, 1 c-g$. B. caelata (Hall), Lower Cambrian, Troy, New York, USNM loc. no. 2b, USNM 34617, $c$, detail of ventral valve ornamentation, $\\mathrm{X}_{18.3}$, $d$, posterior view of ventral valve, $X_{13.3}$, $e$, ventral pseudointerarea and pedicle groove, x17.5, f$, interior of ventral valve, $\\mathbf{X} 4.2, g$, dorsal valve interior, X4.2 (new)."
Synonyms
Mobergia
Geographic Distribution
Pakistan, ?Korea, ?Australia, USA (New York, Vermont), Lower Cambrian; Canada (Quebec, Labrador, New Brunswick), ?Spain, Lower Cambrian–Middle Cambrian; Norway, Sweden, Lower Cambrian, ?lower Middle Cambrian; ?Greenland, upper Lower Cambrian; Russia (Siberia), upper Atdabanian–Amgaian; Kazakhstan, Botomian–Toyonian; ?Mongolia, ?China, Middle Cambrian; Bohemia, Morocco, lower Middle Cambrian
Age Range
Beginning Stage in Treatise Usage:
Lower Cambrian
Beginning International Stage:
Fortunian
Fraction Up In Beginning Stage:
0
Beginning Date:
538.8
Ending Stage in Treatise Usage:
Middle Cambrian
Ending International Stage:
Guzhangian
Fraction Up In Ending Stage:
0
Ending Date:
498.75
Description
Shell subcircular, ventral pseudointerarea catacline, ventral interior with small, slightly thickened visceral field, with three anterior lobelike projections, not extending to midvalve, dorsal interior with narrow anterior projection extending to midvalve, bisected by median ridge, ventral larval shell with single median tubercle