Skip Nav Destination
Close Modal
![First thumbnail for: Morphology of <span class="search-highlight">Anoma...]()
![Second thumbnail for: Morphology of <span class="search-highlight">Anoma...]()
![Third thumbnail for: Morphology of <span class="search-highlight">Anoma...]()
![]()
![First thumbnail for: The Kinzers Formation (Pennsylvania, USA): the mos...]()
![Second thumbnail for: The Kinzers Formation (Pennsylvania, USA): the mos...]()
![Third thumbnail for: The Kinzers Formation (Pennsylvania, USA): the mos...]()
![Reconstructions of Radiodonta from the Kinzers Formation, and other frontal appendages with similar morphology. (a) Anomalocaris pennsylvanica; (b) Anomalocaris canadensis; (c) Tamisiocaris aff. borealis; (d) Tamisiocaris borealis; (e) Anomalocaris briggsi; (f) Amplectobelua aff. symbrachiata; (g) Amplectobelua symbrachiata; (h) Amplectobelua stephenensis; (i) ?Laminacaris sp; (j) Laminacaris chimera. Dotted lines show parts of appendage that are not preserved. Line drawings (b), (g) and (h) adapted from Daley & Budd (2010, text fig. 1A, F, G), (d) adapted from Vinther et al. (2014, extended data fig. 6a), (e) adapted from Daley et al. (2013b, fig. 2), and (j) redrawn from Guo et al. (in press, fig. 3A).]()
![First thumbnail for: A new radiodontan oral cone with a unique combinat...]()
![Second thumbnail for: A new radiodontan oral cone with a unique combinat...]()
![Third thumbnail for: A new radiodontan oral cone with a unique combinat...]()
![First thumbnail for: The lower Cambrian Cranbrook Lagerstätte of Britis...]()
![Second thumbnail for: The lower Cambrian Cranbrook Lagerstätte of Britis...]()
![Third thumbnail for: The lower Cambrian Cranbrook Lagerstätte of Britis...]()
![First thumbnail for: A POSSIBLE ANOMALOCARIDID FROM THE CAMBRIAN SIRIUS...]()
![First thumbnail for: Leanchoilia guts and the interpretation of three-d...]()
![Second thumbnail for: Leanchoilia guts and the interpretation of three-d...]()
![Third thumbnail for: Leanchoilia guts and the interpretation of three-d...]()
![Figure8—Anomalocaris spp., Comet Shale Member, Pioche Formation, Lincoln County, Nevada. 1–3,Anomalocaris cf. saron, Eokochaspis nodosa zone, basal Middle Cambrian, Lincoln County, Nevada, Comet Mine, Highland Range 7.5 quad, centerline, NW1/4 sec. 5 R66E T1S, 28 km northwest of Panaca; 1, lateral view of anterior appendage and ventral view of partial mouth, KUMIP 293584, ×1.1; 3, lateral view of anterior appendage with cranidium of Eokochaspis piochensis (Palmer in Palmer and Halley, 1979), KUMIP 298543, ×2; 2, at mouth of One Wheel Canyon, Highland Range, east edge of NW1/4, SW1/4 sec. 29, T1N, R66E, elevation 6,890′, lateral view of anterior appendage with cranidium of E. piochensis (Palmer inPalmer and Halley, 1979), KUMIP 298529, ×5. 4,Anomalocaris pennsylvanica, Lower Cambrian, Olenellus zone, Ruin Wash, NW1/4 SW1/4 sec. 15, R65E T2S, 17 km west of Panaca, west side of Chief Range, lateral view of anterior appendage, KUMIP 293571, ×2.8]()
![Anomalocaris pennsylvanica from the Kinzers Formation. (a, b) Holotype USNM 80487; (c, d) YPM 10425; (e, f) USNM 255611. Scale bars 10 mm. Abbreviations: dsX, dorsal spine X; enX, ventral endite X; pdX, podomere X; ?S, putative shaft podomere; ts, terminal spine.]()
![Cluster of Anomalocaris sp. claws and disarticulated algal fragments from the Tulip Beds (Section 2; horizon –46 cm), ROM 62292. Scale = 100 mm.]()
![Dorsal view of Anomalocaris canadensisWhiteaves, 1892, in preservational mode showing body flaps, from RQ +8.8 m, ROM 51212. 1, photograph of part under water with high angle incident lighting; 2, camera lucida drawing of part, light gray region indicates background sediment. Scale bars=10 mm and abbreviations as in Appendix.]()
![Ventral view of Anomalocaris canadensis in preservational mode showing body flaps, from RQ +10.4 m, ROM 51211. 1, photograph of counterpart under water with high angle incident lighting; 2, camera lucida drawing of counterpart, light gray region indicates background sediment. Scale bars=10 mm and abbreviations as in Appendix.]()
![Ventral view of Anomalocaris canadensis in preservational mode showing body flaps, from RQ +10.4 m, ROM 51211. 1, photograph of counterpart with low angle polarized lighting from top left; 2, photograph of part with low angle lighting from top right, arrow indicates central blade of tail fan. Scale bars=10 mm and abbreviations as in Appendix.]()
![Photographs showing details and additional views of Anomalocaris canadensis specimens in Figures 1–3. 1, counterpart of ROM 51212, with boxed area indicating close-up in 2, scale=10 mm; 2, midgut region of ROM 51212 counterpart showing textured area with black gut diverticulae, scale bar=5 mm; 3, eyes of ROM 51211 counterpart showing bright yellow/orange central region and close attachment of eye stalks, scale bar=5 mm; 4, body flaps just posterior to head on left side of ROM 51211 part, with striations in anterior region of flaps, scale bar=5 mm.]()
![Anomalocaris canadensis with preservational mode showing body flaps in dorsal view, from RQ +11.4 m, ROM 51214. 1, photograph of part under high-angle incident lighting; 2, camera lucida drawing of part, gray labels and dotted line indicate location of second eye, which can only be seen in the counterpart. Scale bar=10 mm and abbreviations as in Appendix.]()
![Dorsal view of Anomalocaris canadensis with high-relief linear structures interpreted to be structural support for the body flaps, from RQ +11.4 m, ROM 51214. 1, photograph of part taken under low-angle incident lighting from the bottom left, high-relief linear structures visible on right side of body, scale bar=10 mm; 2, photograph of head of counterpart under high-angle cross-polarized lighting, arrows indicate boundaries of the foregut segments, scale bar=10 mm; 3, photograph of high-relief linear structures on the counterpart, taken under low-angle incident lighting from bottom left, boxed area indicates 4, scale bar=5 mm; 4, close-up of high-relief linear structure under low-angle incident lighting from top left, scale bar=2 mm.]()
1-20 OF 135 RESULTS FOR
Anomalocaris
Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account
Would you like to receive an alert when new items match your search?
1
Journal Article
Morphology of Anomalocaris canadensis from the Burgess Shale Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 January 2014
Journal of Paleontology (2014) 88 (1): 68–91.
...Allison C. Daley; Gregory D. Edgecombe A bstract Recent description of the oral cone of Anomalocaris canadensis from the Burgess Shale (Cambrian Series 3, Stage 5) highlighted significant differences from published accounts of this iconic species, and prompts a new evaluation of its morphology...
FIGURES
Journal Article
Anomalocaris predation on nonmineralized and mineralized trilobites Available to Purchase
Journal: Geology
Publisher: Geological Society of America
Published: 01 November 1999
Geology (1999) 27 (11): 987–990.
...Christopher Nedin Abstract The giant Cambrian form Anomalocaris is considered to have been a raptoral predator of trilobites. However, doubt has been raised about its ability to successfully predate on strongly biomineralized forms (durophagy). A specimen of the trilobite Naraoia from the Early...
Journal Article
The "evolution" of Anomalocaris and its classification in the arthropod class Dinocarida (nov.) and order Radiodonta (nov.) Free
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 March 1996
Journal of Paleontology (1996) 70 (2): 280–293.
Journal Article
The occurrence of the giant arthropod Anomalocaris in the Lower Cambrian of southern California, and the overall distribution of the genus Free
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 September 1982
Journal of Paleontology (1982) 56 (5): 1112–1118.
Image
Current and previous interpretations of Kinzers radiodont appendages ... Available to Purchase
in The Kinzers Formation (Pennsylvania, USA): the most diverse assemblage of Cambrian Stage 4 radiodonts
> Geological Magazine
Published: 30 July 2018
Table 2. Current and previous interpretations of Kinzers radiodont appendages Previous Current Catalogue # Fig. Site interpretation interpretation References USNM 213693, PA 394 (cpt) 2a, b 22L Anomalocaris? cf. pennsylvanica ? Laminacaris sp. Briggs
Journal Article
The Kinzers Formation (Pennsylvania, USA): the most diverse assemblage of Cambrian Stage 4 radiodonts Available to Purchase
Journal: Geological Magazine
Publisher: Cambridge University Press
Published: 30 July 2018
Geological Magazine (2019) 156 (7): 1233–1246.
...Table 2. Current and previous interpretations of Kinzers radiodont appendages Previous Current Catalogue # Fig. Site interpretation interpretation References USNM 213693, PA 394 (cpt) 2a, b 22L Anomalocaris? cf. pennsylvanica ? Laminacaris sp. Briggs...
FIGURES
Image
Reconstructions of Radiodonta from the Kinzers Formation, and other frontal... Available to Purchase
in The Kinzers Formation (Pennsylvania, USA): the most diverse assemblage of Cambrian Stage 4 radiodonts
> Geological Magazine
Published: 30 July 2018
Figure 6. Reconstructions of Radiodonta from the Kinzers Formation, and other frontal appendages with similar morphology. (a) Anomalocaris pennsylvanica ; (b) Anomalocaris canadensis ; (c) Tamisiocaris aff. borealis ; (d) Tamisiocaris borealis ; (e) Anomalocaris briggsi ; (f
Journal Article
A new radiodontan oral cone with a unique combination of anatomical features from the early Cambrian Guanshan Lagerstätte, eastern Yunnan, South China Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 06 September 2017
Journal of Paleontology (2018) 92 (1): 40–48.
... their diverse and abundant raptorial frontal appendages, while the oral cone surrounding the mouth opening in these animals has attracted less attention. At present, three oral cone morphotypes are known, from Anomalocaris Whiteaves, 1892 , Peytoia Walcott, 1911 , and Hurdia Walcott, 1912 , respectively...
FIGURES
Journal Article
The lower Cambrian Cranbrook Lagerstätte of British Columbia Free
Journal: Journal of the Geological Society
Publisher: Geological Society of London
Published: 13 December 2023
Journal of the Geological Society (2024) 181 (1): jgs2023-106.
... Eager Formation is one of the oldest Burgess Shale-type deposits in North America. This Konservat-Lagerstätte is rich in olenelloid trilobites, but also yields a very low-diversity soft-bodied fossil assemblage including Tuzoia and Anomalocaris , and a low-diversity ichnofauna. Its scientific study...
FIGURES
Journal Article
A POSSIBLE ANOMALOCARIDID FROM THE CAMBRIAN SIRIUS PASSET LAGERSTÄTTE, NORTH GREENLAND Available to Purchase
Journal: Journal of Paleontology
Publisher: Paleontological Society
Published: 01 March 2010
Journal of Paleontology (2010) 84 (2): 352–355.
... for the first time an appendage with possible anomalocaridid affinities as suggested by an overall gross morphology similar to that of the frontal appendage of Anomalocaris from other localitites. Tamisiocaris borealis n. gen. and n. sp. has an elongated appendage with paired spines along one margin...
FIGURES
Journal Article
Leanchoilia guts and the interpretation of three-dimensional structures in Burgess Shale-type fossils Available to Purchase
Journal: Paleobiology
Publisher: Paleontological Society
Published: 01 January 2002
Paleobiology (2002) 28 (1): 155–171.
... in unambiguous fossil predators such as Sidneyia and Laggania ( Anomalocaris ) suggests they served a similar role in the Cambrian; by extension, their conspicuous occurrence in Leanchoilia suggests it was a predator or scavenger. Phosphatized midguts with a structure essentially indistinguishable from...
FIGURES
Image
Figure 8 — Anomalocaris spp., Comet Shale Member, Pioche Formation, Linco... Available to Purchase
Published: 01 July 2003
Figure 8 — Anomalocaris spp., Comet Shale Member, Pioche Formation, Lincoln County, Nevada. 1–3, Anomalocaris cf. saron , Eokochaspis nodosa zone, basal Middle Cambrian, Lincoln County, Nevada, Comet Mine, Highland Range 7.5 quad, centerline, NW1/4 sec. 5 R66E T1S, 28 km northwest of Panaca
Image
Anomalocaris pennsylvanica from the Kinzers Formation. (a, b) Holotype USN... Available to Purchase
in The Kinzers Formation (Pennsylvania, USA): the most diverse assemblage of Cambrian Stage 4 radiodonts
> Geological Magazine
Published: 30 July 2018
Figure 3. Anomalocaris pennsylvanica from the Kinzers Formation. (a, b) Holotype USNM 80487; (c, d) YPM 10425; (e, f) USNM 255611. Scale bars 10 mm. Abbreviations: dsX, dorsal spine X; enX, ventral endite X; pdX, podomere X; ?S, putative shaft podomere; ts, terminal spine.
Image
Cluster of Anomalocaris sp. claws and disarticulated algal fragments from... Available to Purchase
in TAPHONOMY AND DEPOSITIONAL SETTING OF THE BURGESS SHALE TULIP BEDS, MOUNT STEPHEN, BRITISH COLUMBIA
> PALAIOS
Published: 01 June 2014
Fig. 10.— Cluster of Anomalocaris sp. claws and disarticulated algal fragments from the Tulip Beds (Section 2; horizon –46 cm), ROM 62292. Scale = 100 mm.
Image
Dorsal view of Anomalocaris canadensis Whiteaves, 1892 , in preservationa... Available to Purchase
Published: 01 January 2014
Figure 1 Dorsal view of Anomalocaris canadensis Whiteaves, 1892 , in preservational mode showing body flaps, from RQ +8.8 m, ROM 51212. 1, photograph of part under water with high angle incident lighting; 2, camera lucida drawing of part, light gray region indicates background sediment
Image
Ventral view of Anomalocaris canadensis in preservational mode showing bo... Available to Purchase
Published: 01 January 2014
Figure 2 Ventral view of Anomalocaris canadensis in preservational mode showing body flaps, from RQ +10.4 m, ROM 51211. 1, photograph of counterpart under water with high angle incident lighting; 2, camera lucida drawing of counterpart, light gray region indicates background sediment
Image
Ventral view of Anomalocaris canadensis in preservational mode showing bo... Available to Purchase
Published: 01 January 2014
Figure 3 Ventral view of Anomalocaris canadensis in preservational mode showing body flaps, from RQ +10.4 m, ROM 51211. 1, photograph of counterpart with low angle polarized lighting from top left; 2, photograph of part with low angle lighting from top right, arrow indicates central blade
Image
Photographs showing details and additional views of Anomalocaris canadensi... Available to Purchase
Published: 01 January 2014
Figure 4 Photographs showing details and additional views of Anomalocaris canadensis specimens in Figures 1–3 . 1, counterpart of ROM 51212, with boxed area indicating close-up in 2 , scale=10 mm; 2, midgut region of ROM 51212 counterpart showing textured area with black gut
Image
Anomalocaris canadensis with preservational mode showing body flaps in dor... Available to Purchase
Published: 01 January 2014
Figure 5 Anomalocaris canadensis with preservational mode showing body flaps in dorsal view, from RQ +11.4 m, ROM 51214. 1, photograph of part under high-angle incident lighting; 2, camera lucida drawing of part, gray labels and dotted line indicate location of second eye, which can only
Image
Dorsal view of Anomalocaris canadensis with high-relief linear structures... Available to Purchase
Published: 01 January 2014
Figure 6 Dorsal view of Anomalocaris canadensis with high-relief linear structures interpreted to be structural support for the body flaps, from RQ +11.4 m, ROM 51214. 1, photograph of part taken under low-angle incident lighting from the bottom left, high-relief linear structures visible
1
