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Walcott Quarry

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Journal Article
Journal: Paleobiology
Published: 06 November 2015
Paleobiology (2015) 42 (1): 27-53.
... and quantitative analyses of this assemblage suggest strong similarities with the Walcott Quarry on Fossil Ridge. Both assemblages are dominated by epibenthic, sessile, and suspension feeding taxa, mostly represented by arthropods and sponges and have comparable diversity patterns, despite sharing only about half...
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Journal Article
Journal: PALAIOS
Published: 01 June 2014
PALAIOS (2014) 29 (6): 309-324.
... attention has been paid to the original Burgess Shale locality, the Walcott Quarry on Fossil Ridge, temporal and regional variations of the depositional environment of the Burgess Shale biota as a whole are still poorly understood. Here we present the first comprehensive taphonomic and sedimentological...
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Image
A )  Marrella splendens  (ROMIP 56757) from the <b>Walcott</b> <b>Quarry</b> with charact...
in > PALAIOS
Published: 13 June 2019
Fig. 1.— A ) Marrella splendens (ROMIP 56757) from the Walcott Quarry with characteristic dark stain overlapping the posterior of the specimen. Like many Burgess Shale fossils, this specimen is cut by bedding plane-perpendicular veins, running from the top center of the image down
Image
Scaled Venn diagrams of the Tulip Beds and <b>Walcott</b> <b>Quarry</b> assemblages. A) T...
Published: 06 November 2015
Figure 1 Scaled Venn diagrams of the Tulip Beds and Walcott Quarry assemblages. A) Total number of specimens illustrating the sample sizes, B) Number of taxa found in each assemblage.
Image
Rarefaction curves for the Tulip Beds and <b>Walcott</b> <b>Quarry</b>. Rarefaction curve...
Published: 06 November 2015
Figure 4 Rarefaction curves for the Tulip Beds and Walcott Quarry. Rarefaction curves for the full dataset (Supplementary Appendix 3) from the Tulip Beds and Walcott Quarry assemblages (A) and for subsets of the same dataset: Arthropoda (B), Porifera (C
Image
Size distribution in the Tulip Beds (TB) and the <b>Walcott</b> <b>Quarry</b>, with tests...
in > PALAIOS
Published: 01 June 2014
Table 3.— Size distribution in the Tulip Beds (TB) and the Walcott Quarry, with tests for normality and skewness. *  =  weakly significant, ***  =  strongly significant.
Image
Distribution and diversity of fossils in a section of the <b>Walcott</b> <b>Quarry</b>, F...
in > PALAIOS
Published: 01 November 2011
FIGURE 2— Distribution and diversity of fossils in a section of the Walcott Quarry, Frankfort Shale. Scale on left measured from marker horizon (Bed 801). SS  =  sedimentary structures, ii  =  ichnofabric index ( Droser and Bottjer, 1986 ). Sample sizes ∼1 m 2 , with the exception of the OTB (∼5
Image
Thin sections of representative lithologies from the <b>Walcott</b> <b>Quarry</b>, Frankf...
in > PALAIOS
Published: 01 November 2011
FIGURE 3— Thin sections of representative lithologies from the Walcott Quarry, Frankfort Shale. A) Poorly sorted silty claystone bed (sc), overlain by a fine-siltstone to claystone bed (trilobite bed, Bed 1004). B) Very fine siltstone (top of the OTB) grading into a poorly sorted silty claystone
Image
Trace fossils from the <b>Walcott</b> <b>Quarry</b>, Frankfort Shale (Bed 906). A) Thin p...
in > PALAIOS
Published: 01 November 2011
FIGURE 5— Trace fossils from the Walcott Quarry, Frankfort Shale (Bed 906). A) Thin pyritized burrow parallel to bedding (YPM.506378). B) X-radiograph (6 kV for 3.5 min), thin pyritized burrows ( = b, arrowed) and a concretion ( = c, arrowed).
Image
Fossils from bedding-plane assemblages in the <b>Walcott</b> <b>Quarry</b>, Frankfort Sha...
in > PALAIOS
Published: 01 November 2011
FIGURE 6— Fossils from bedding-plane assemblages in the Walcott Quarry, Frankfort Shale. A) Graptolite-rich bedding plane with a partially disarticulated poorly preserved trilobite (Bed 1104, YPM.611136). B) Cluster of orthid brachiopods (Bed 1002, YPM.506470). C) Orthocone nautiloids, flattened
Journal Article
Published: 01 April 1998
Canadian Journal of Earth Sciences (1998) 35 (4): 413-436.
..., Campsite Cliff Shale, Wash Limestone, Walcott Quarry Shale, Raymond Quarry Shale, Emerald Lake Oncolite, Odaray Shale, Paradox Limestone, and Marpole Limestone. In contrast to the Stephen Shale Formation with its nonsequences, the thicker Burgess Shale Formation seems to represent continuous deposition...
Journal Article
Published: 01 March 2011
Journal of Paleontology (2011) 85 (2): 369-391.
...James C. Brower Abstract The Walcott-Rust Quarry echinoderm fauna lived at the base of a carbonate ramp in moderately deep water (Benthic Assemblage 5 of Boucot and others) below wave base for all or most storms but within the photic zone. The inhabitants of the soft substrate were buried rapidly...
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Journal Article
Published: 01 July 2010
Journal of Paleontology (2010) 84 (4): 626-645.
... region were positioned high above the seafloor, and incomplete stem segments up to about 800 mm long are known. The Walcott-Rust Quarry cladids all possessed wider food grooves than the camerates, so they were able to catch larger food particles. 05 01 2010 The Paleontological Society 2010...
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Journal Article
Published: 01 January 2008
Journal of Paleontology (2008) 82 (1): 57-77.
...JAMES C. BROWER Abstract Iocrinus trentonensis Walcott, 1883 is characterized by the widest food grooves and the largest covering plates of any of the Walcott-Rust Quarry crinoids, which indicates that the animal captured relatively large food particles with large and widely separated tubefeet...
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Journal Article
Published: 01 January 2005
Journal of Paleontology (2005) 79 (1): 152-174.
.... Variation in number of brachs in the arms of C. varibrachialus is comparable to that of many Ordovician cladids. Specimens of C. varibrachialus from the Kope Formation of the Cincinnati, Ohio, area possess more numerous primibrachs than animals from the Walcott-Rust Quarry, although the two populations...
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Journal Article
Published: 01 March 1999
Journal of Paleontology (1999) 73 (2): 288-305.
...Carlton E. Brett; Thomas E. Whiteley; Peter A. Allison; Ellis L. Yochelson Abstract The Walcott-Rust Quarry, at Trenton Falls. New York, has yielded a large number of well-preserved, fully articulated fossils from the lower third of the Middle Ordovician Rust Formation, Trenton Group. Along...
Journal Article
Journal: PALAIOS
Published: 13 June 2019
PALAIOS (2019) 34 (6): 291-299.
...Fig. 1.— A ) Marrella splendens (ROMIP 56757) from the Walcott Quarry with characteristic dark stain overlapping the posterior of the specimen. Like many Burgess Shale fossils, this specimen is cut by bedding plane-perpendicular veins, running from the top center of the image down...
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Journal Article
Journal: Paleobiology
Published: 14 October 2013
Paleobiology (2013) 40 (1): 50-69.
... occurrence frequencies, whereas a few species are numerically abundant and occur frequently. Overall, in structure and ecology the Mafang community is comparable to the middle Cambrian (Series 3, Stage 5) Burgess Shale biota (Walcott Quarry, Yoho National Park, British Columbia, Canada). This suggests...
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Journal Article
Journal: PALAIOS
Published: 01 October 2006
PALAIOS (2006) 21 (5): 451-465.
... these issues, variation in fossil preservation was analyzed through a vertical succession of 26 bed assemblages, each representing a single obrution event, within the 7-m-thick Greater Phyllopod Bed of the Walcott Quarry. More than 50,000 specimens belonging to 158 genera—mostly benthic, monospecific...
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Journal Article
Published: 20 August 2012
Canadian Journal of Earth Sciences (2012) 49 (9): 1087-1095.
... to be misidentifications of a wapkiid-like sponge ( Rigby and Collins 2004 ). The genus is therefore currently known with certainty only from the Burgess Shale communities, but there it can be abundant at certain levels, particularly in the Walcott Quarry ( Caron and Jackson 2008 ). The described structure...
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