RESULTS FOR Ptychagnostus burgessensis
1-6 OF 6 RESULTS FOR
Results shown limited to content with bounding coordinates.
EVIDENCE FOR BIOGENIC COPPER (HEMOCYANIN) IN THE MIDDLE CAMBRIAN ARTHROPOD MARRELLA FROM THE BURGESS SHALE
Publisher: SEPM Society for Sedimentary Geology
Published: 01 October 2014
PALAIOS (2014) 29 (10): 512-524.
... localities, including Marrella splendens Walcott 1912 , Burgessia bella Walcott 1912 , Pagetia bootes Walcott 1916 , Ptychagnostus burgessensis (Rasetti 1951), several unidentified worms, Ogygopsis klotzi Rominger 1887 , and a trilobite-like arthropod herein referred to Naraoia spinosa ? ( Zhang...
FIGURES | View All (12)
Paleocommunity Analysis of the Burgess Shale Tulip Beds, Mount Stephen, British Columbia: Comparison with the Walcott Quarry and Implications for Community Variation in the Burgess Shale
Published: 06 November 2015
Paleobiology (2015) 42 (1): 27-53.
..., S. gregarium and Undet. Taxon TB-A at the Tulip Beds, and the arthropods Ptychagnostus praecurrens and Liangshanella burgessensis at the Walcott Quarry (Supplementary Fig. 1). These high abundances probably reflect original population differences, albeit some...
FIGURES | View All (15)
Published: 01 January 2015
Journal of Paleontology (2015) 89 (1): 96-102.
...., Ehmaniella cf. burgessensis , Itagnostus cf. interstrictus and Ptychagnostus cf. praecurrens at Marble Canyon (Caron et al., 2014 ). Specimens were released from their carbonate host rock by digestion in 10% acetic acid (GGU sample 271573) or 10% formic acid (samples 08-153, 12-257B...
Soft-bodied biota from the middle Cambrian (Drumian) Rockslide Formation, Mackenzie Mountains, northwestern Canada
Published: 01 January 2015
Journal of Paleontology (2015) 89 (1): 51-71.
... represent 5 mm. Comet Shale Member, Pioche Formation, Nevada, middle Cambrian, Series 3, Stage 5, Eokochaspis nodosa Biozone; Wheeler Formation, Utah, middle Cambrian, Series 3, Drumian, Ptychagnostus atavus Biozone; Rockslide Formation, Ravens Throat River area, Mackenzie...
FIGURES | View All (16)
Phylogenetic analysis of the spiny oryctocephalids (Trilobita, Corynexochida?, Oryctocephalidae), Cambrian
Published: 01 May 2014
Journal of Paleontology (2014) 88 (3): 556-587.
... , and T. valida Chernysheva, 1962 in the uppermost Swasey Limestone or lowermost Wheeler Shale (and lithologic equivalents, see Sundberg, 1991 , 1994 ), medial Altiocculus Subzone, Ehmaniella Zone/basal Ptychagnostus gibbus Zone of middle Topazan Stage, Series 3 (near the MFS of the basal...
FIGURES | View All (10)
Published: 01 July 2003
Journal of Paleontology (2003) 77 (4): 674-690.
... Canyon, Highland Range, east edge of NW1/4, SW1/4 sec. 29, T1N, R66E, elevation 6,890′, Lincoln County, Nevada; the Ptychagnostus atavus zone, Middle Cambrian, Utah, from the Wheeler Formation in the House Range, and the Bloomington Formation in the Wellsville Mountains (see Robison and Richards, 1981...
FIGURES | View All (9)