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Gryphaea arcuata

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Upper surface of  <span class="search-highlight">Gryphaea</span> -rich argillaceous limestone bed within upper Sc...
Published: 01 November 2008
Fig. 4. Upper surface of Gryphaea -rich argillaceous limestone bed within upper Scunthorpe Mudstone Formation (Sinemurian; Early Jurassic) at base of 2006 exposure north of Scunthorpe, North Lincolnshire (NGR SE 8842 1431–8822 1452). Note well-preserved valves of Gryphaea arcuata Lamarck
Image
Figure 3. Molluscs from silicified fauna, showing fine preservation of shel...
Published: 01 March 2003
Figure 3. Molluscs from silicified fauna, showing fine preservation of shell features; scale bars represent 1 cm. Note beekitized patches on shell in A and C. A: Gryphaea arcuata , dorsal view. B: Pholadomya glabra , right valve. C: Cardinia listeri , left valve. D: Allocosmia
Image
Regular echinoid grazing traces  (Gnathichnus pentax  Bromley) on left valv...
Published: 01 November 2008
Fig. 6. Regular echinoid grazing traces (Gnathichnus pentax Bromley) on left valve of Gryphaea arcuata Lamarck, upper Scunthorpe Mudstone Formation (Sinemurian; Early Jurassic), 2004 exposure north of Scunthorpe, North Lincolnshire (NGR SE 8829 1461–8812 1456). Field of view is approximately
Journal Article
Published: 01 November 2008
Proceedings of the Yorkshire Geological Society (2008) 57 (2): 107–112.
...Fig. 4. Upper surface of Gryphaea -rich argillaceous limestone bed within upper Scunthorpe Mudstone Formation (Sinemurian; Early Jurassic) at base of 2006 exposure north of Scunthorpe, North Lincolnshire (NGR SE 8842 1431–8822 1452). Note well-preserved valves of Gryphaea arcuata Lamarck...
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Journal Article
Journal: GSA Bulletin
Published: 01 December 1944
GSA Bulletin (1944) 55 (12): 1465–1471.
... the Fredericksburg group at Arivechi, Sonora, and is a well-known Fredericksburg marker, generally and erroneously called Gryphaea marcoui Hill and Vaughan. Gryphaea Lamarck 1801 contained six valid species, and the earliest valid subsequent designation from among these appears to have been that of G. arcuata...
Journal Article
Published: 17 June 2020
Proceedings of the Yorkshire Geological Society (2020) 63 (2): 77–87.
... feeder indeterminate protobranch shallow infaunal, deposit feeder Gresslya sp. deep infaunal, suspension feeder Pleuromya striatula Agassiz deep infaunal, suspension feeder Gryphaea arcuata Lamarck occurs throughout the entire succession and is the most conspicuous fossil...
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Journal Article
Journal: Geology
Published: 01 March 2003
Geology (2003) 31 (3): 211–214.
...Figure 3. Molluscs from silicified fauna, showing fine preservation of shell features; scale bars represent 1 cm. Note beekitized patches on shell in A and C. A: Gryphaea arcuata , dorsal view. B: Pholadomya glabra , right valve. C: Cardinia listeri , left valve. D: Allocosmia ...
FIGURES
Journal Article
Journal: Paleobiology
Published: 01 January 2000
Paleobiology (2000) 26 (2): 215–237.
... for shell thickness and p > 0.45 for all margin positions). For the Early Jurassic Gryphaeinae lineage ( Gryphaea arcuata to G. gigantea ), increasing shell size (via extension of rapid juvenile growth rates into later ontogenetic stages [ Jones and Gould 1999 ]) corresponds to decreasing valve...
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Journal Article
Published: 01 July 2006
Journal of the Geological Society (2006) 163 (4): 595–606.
... of the bivalve Gryphaea arcuata , typically associated with the offshore facies of the Blue Lias, in the NW of the exposure. G. arcuata successively replaces the strongly ribbed and clearly nearshore bivalve Chalmys (= Pecten ) suttonensis , more typical of the marginal Lias, in Package 3...
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Journal Article
Published: 01 May 2002
Journal of Paleontology (2002) 76 (3): 431–446.
... Ostrea sublamellosa Dunker (1846 , p. 41, pl. 6, figs. 27–30); (original designation, Douvillé 1904 , p. 546). Genus Gryphaea Lamarck, 1801 Gryphaea arcuata Lamarck (1801 , p. 398); Early Lias of France (subsequent designation, International Commission on Zoological Nomenclature...
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Journal Article
Journal: AAPG Bulletin
Published: 01 September 1965
AAPG Bulletin (1965) 49 (9): 1485–1501.
... been found in New Zealand (Fleming, 1964). The common Liassic trigoniid genus Myophorella ( Vaugonia ) occurs in many Toarcian localities of western Nevada (Corvalan, 1962). Notable absentees from the United States faunas include the common European species Gryphaea arcuata Lamarck and Oxytoma...
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Journal Article
Published: 06 December 2021
Proceedings of the Yorkshire Geological Society (2022) 64 (1): pygs2021-008.
... m of clay with abundant Gryphaea arcuata Lamarck, overlain by a thin Gryphaea -rich limestone [SE 855 502]. Fine-grained, shelly, ferruginous limestone 30 cm thick outcrops in gardens here [SE 877 503]. Tate and Blake (1876) noted that at Swineridge Bridge [SE 818 518] limestone beds were...
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Journal Article
Journal: AAPG Bulletin
Published: 01 February 1947
AAPG Bulletin (1947) 31 (2): 227–273.
... and dolomitic limestone or dolomite. On Lytle Creek, about 4 miles southeast of Devils Tower, the basal bed of the Jurassic consists of only one foot of shaly limestone containing many shells of Ostrea and Gryphaea . One mile southwest of Hulett in a highway cut the base of the Jurassic is represented by 14...
FIGURES
Journal Article
Published: 01 February 1992
Journal of the Geological Society (1992) 149 (1): 75–92.
... to local influx from the west side of the Malverns. The volcaniclastic sandstones contain grains of epidotized vol- canic rocks and are typical of sediments of Longmyndian age (R. J. Merriman pers. comm. 1990). Gryphaea cf. arcuata, from the Lower Lias, is fairly common in the larger pebble fraction...
Journal Article
Published: 01 May 1971
Journal of the Geological Society (1971) 127 (3): 197–245.
... rcuata, Gryphaea maccullochi; Gry- phaea arcuata obliquata, Gryphaea rcuata incurva). The nomenclatural problem of taxonyms applied to cladal descendants evolved from a common ancestor is intensified when it is accepted that a strictly monophyletic taxon includes only subordinate lineage-taxa without...
Journal Article
Journal: PALAIOS
Published: 01 June 2013
PALAIOS (2013) 28 (6): 386–393.
... low versus mid latitudes. Their study focused on modern and fossil Mercenaria spp. from the Atlantic and Gulf of Mexico coasts of the United States and the Jurassic oyster, Gryphaea arcuata , from the UK. For the purpose of this discussion, we will focus on their findings concerning modern...
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Series: Geological Society, London, Special Publications
Published: 01 January 2002
DOI: 10.1144/GSL.SP.2002.194.01.10
EISBN: 9781862394421
... Actinostreon marshii (J. Sowerby) Aal Actinostreon solitarium Aal (J. de C. Sowerby) Gryphaea arcuata Lamarck Het – E.Sin Gryphaea gigantea J. Sowerby E.Plb – L.Plb Gryphaea mccullochi E.Sin – L.Sin J. de C. Sowerby Gryphaea pictaviensis (Hébert) L.Toa – L.Toa...
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Journal Article
Published: 01 July 2011
Journal of Paleontology (2011) 85 (4): 613–664.
... streoida Férussac, 1822 (emended Waller, 1978 ) Superfamily O streoidea Rafinesque, 1815 (emended Waller, 1978 ) Family G ryphaeidae Vyalov, 1936 Genus G ryphaea Lamarck, 1801 Gryphaea arcuata Lamarck, 1801 , by subsequent designation (ICZN Opinion 338), Lower Jurassic (Lias...
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Book Chapter

Series: Geological Society, London, Geology of Series
Published: 01 January 2002
DOI: 10.1144/GOS4P.11
EISBN: 9781862393905
... Broadford Beds) containing abundant Gryphaea arcuata, the ‘devil’s toe nail’. These strata are well exposed at Ardnish, near Broadford, Skye. Ammonites are much more common than in the beds below, and allow accurate correlation with the standard zonal sequence. This facies is generally interpreted...
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Series: Geological Society, London, Geology of Series
Published: 01 January 2006
DOI: 10.1144/GOEWP.14
EISBN: 9781862393882
... has a Yorkshire type species – Phylloceras heterophyllum (Sowerby, 1820)). The first Boreal influences appear in the Hettangian with the southward migration of the bivalve Gryphaea (see below), whilst the first truly Boreal ammonite is the Toarcian Pseudolioceras which migrated southwards via...
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