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Glyptograptus
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Neograptina
Family:
Retiolitidae
Formal Genus Name and Reference:
Glyptograptus LAPWORTH, 1873b, Table 1, facing p. 555
Type Species:
*Diplograpsus tamariscus NICHOLSON, 1868a, p. 526, OD
Images
(Click to enlarge in a new window)
Fig. 266,1a-c. *G. tamariscus (Nicholson), 1a, paralectotype, NHMUK PM Q.578, Birkhill Shale, Wamphray, Dumfries, Scotland, UK (Zalasiewicz, 2008b, Atlas, Folio 2.88), 1b, lectotype (selected by PříbyL, 1948a, p. 10), NHMUK PM Q.579, Birkhill Shale, Wamphray, Dumfries, Scotland, UK (Zalasiewicz, 2008b, Atlas, Folio 2.88), 1c, GSC 104864, proximal end in reverse view, Arctic Canada (Melchin, 1998, pl. 5,2). Scale bars, 1 mm.——, ——Fig. 266,1d. G. tamariscus, ssp. GSC 104874, long specimen in reverse view, broken into three pieces, scale bar, 1 mm (Melchin, 1998, pl. 6,1).
Synonyms
Diplograpsus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Upper Ordovician (Hirnantian, Metabolograptus persculptus Biozone)
Beginning International Stage:
Hirnantian
Fraction Up In Beginning Stage:
0
Beginning Date:
445.21
Ending Stage in Treatise Usage:
Silurian (Llandovery, Telychian, Streptograptus crispus Biozone)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
0
Ending Date:
432.93
Description
Petalolithine with pattern I proximal development type, nema embedded in obverse wall of tubarium or with narrow, obverse partial median septum, thecae with rounded to flowing geniculum
References
Lapworth, Charles. 1873b. Notes on the British graptolites and their allies. 1. On an improved classification of the Rhabdophora, Part 2. Geological Magazine 10:555-560, 1 table (facing p. 555).
Museum or Author Information
Classification
Phylum:
Hemichordata
Class:
Pterobranchia
Order:
Graptoloidea
Superfamily:
Neograptina
Family:
Retiolitidae
Formal Genus Name and Reference:
Glyptograptus LAPWORTH, 1873b, Table 1, facing p. 555
Type Species:
*Diplograpsus tamariscus NICHOLSON, 1868a, p. 526, OD
Images
(Click to enlarge in a new window)
Fig. 266,1a-c. *G. tamariscus (Nicholson), 1a, paralectotype, NHMUK PM Q.578, Birkhill Shale, Wamphray, Dumfries, Scotland, UK (Zalasiewicz, 2008b, Atlas, Folio 2.88), 1b, lectotype (selected by PříbyL, 1948a, p. 10), NHMUK PM Q.579, Birkhill Shale, Wamphray, Dumfries, Scotland, UK (Zalasiewicz, 2008b, Atlas, Folio 2.88), 1c, GSC 104864, proximal end in reverse view, Arctic Canada (Melchin, 1998, pl. 5,2). Scale bars, 1 mm.——, ——Fig. 266,1d. G. tamariscus, ssp. GSC 104874, long specimen in reverse view, broken into three pieces, scale bar, 1 mm (Melchin, 1998, pl. 6,1).
Synonyms
Diplograpsus
Geographic Distribution
worldwide
Age Range
Beginning Stage in Treatise Usage:
Upper Ordovician (Hirnantian, Metabolograptus persculptus Biozone)
Beginning International Stage:
Hirnantian
Fraction Up In Beginning Stage:
0
Beginning Date:
445.21
Ending Stage in Treatise Usage:
Silurian (Llandovery, Telychian, Streptograptus crispus Biozone)
Ending International Stage:
Telychian
Fraction Up In Ending Stage:
0
Ending Date:
432.93
Description
Petalolithine with pattern I proximal development type, nema embedded in obverse wall of tubarium or with narrow, obverse partial median septum, thecae with rounded to flowing geniculum
References
Lapworth, Charles. 1873b. Notes on the British graptolites and their allies. 1. On an improved classification of the Rhabdophora, Part 2. Geological Magazine 10:555-560, 1 table (facing p. 555).