The halkieriids are a group of fossil organisms from the Lower to Middle Cambrian. Their eponymous genus is Halkieria /hælˈkɪəriə/, which has been found...
63 KB (6,415 words) - 14:52, 14 July 2024
and in fact descended from the halkieriids, as the sclerites are divided into similar groups, although those of halkieriids were much smaller and more numerous;...
35 KB (3,945 words) - 02:44, 12 June 2024
Halwaxiida (section Halkieriids and siphogonuchitids)
related to the halkieriids or Wiwaxia or both. Orthrozanclus, first described in 2007, looked an intermediate between the halkieriids and Wiwaxia as it...
43 KB (4,340 words) - 05:18, 8 November 2023
modern brachiopods suggests that brachiopods may be descendants of the halkieriids, which became extinct in the Cambrian period. Cenozoic Mesozoic Paleozoic...
102 KB (10,187 words) - 03:20, 15 July 2024
chancelloriids' sclerites concluded that they were very similar to those of halkieriids, mobile bilaterian animals that looked like slugs in chain mail and whose...
129 KB (13,123 words) - 01:17, 13 August 2024
genus of halkieriid from Australia and Antarctica. This species, named by Porter in 2004, is the most complete and abundant Australian halkieriid species...
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group) Chancelloriidae Odontogriphus Halwaxiida Wiwaxia Orthrozanclus Halkieriid Kimberella Mollusca Lophophorata Wufengella Bryozoa (s.l) Bryozoa Eccentrotheca...
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Ausia bears some similarity to the halkieriids, and resembles the body plan that might be expected of halkieriid ancestors under the coeloscleritophoran...
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use the unequal ratio of stellate to mitrate sclerites to argue for a halkieriid-like anatomy. More recently a tube-like construction inspired by Eccentrotheca...
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pseudoconodont-type elements; a "Sclerite world", seeing the rise of halkieriids, tommotiids, and hyoliths, lasting to the end of the Fortunian (c. 525...
134 KB (15,430 words) - 19:06, 17 August 2024
remains of larger organisms, including sponges, molluscs, slug-like halkieriids, brachiopods, echinoderms, and onychophoran-like organisms that may have...
40 KB (4,941 words) - 09:05, 24 July 2024
morphology is similarly bivalved, even though it was once thought to be halkieriid-like. Micrina is quite similar to Mickwitzia in terms of shell microstructure...
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etc: Brachios stem Phoronids & (2009). Conway Morris etc: Articulated Halkieriids & (1995). Skovsted, C. B.; Brock, G. A.; Paterson, J. R.; Holmer, L....
92 KB (9,378 words) - 20:47, 11 August 2024
that chancelloriids were related to the "chain mail" armored slug-like halkieriids, which are typically considered to be stem-group molluscs. While the...
18 KB (1,985 words) - 12:23, 19 June 2024
organism. They went on to classify the halkieriids as nearly modern molluscs, since in their opinion halkieriids' "chain mail" coats of mineralized sclerites...
30 KB (3,131 words) - 02:32, 9 December 2023
brachiopod fold hypothesis which suggests that they formed by the folding of a halkieriid-like organism. Five families are recognized: Tommotiidae Missarzhevsky...
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← First halkieriids, mollusсs, hyoliths SSF...
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sedis An enigmatic shelled fossil that is possibly thought to represent a halkieriid, which have been considered early mollusks. Orthrozanclus Mollusca A two...
74 KB (1,534 words) - 15:35, 19 August 2024
← First halkieriids, mollusсs, hyoliths SSF...
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annelids and mollusks. Relationships to other Cambrian forms (such as the Halkieriids) have been proposed and discounted. In 2008, the discovery of a fossil...
11 KB (1,037 words) - 20:16, 30 July 2024
← First halkieriids, mollusсs, hyoliths SSF...
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Thambetolepis is a dubious genus of sachitid halkieriid from the Cambrian (530-513 Ma). The genus Sinosachites may have been the same as Thambetolepis...
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Sachites specimens are now referred to as other halkieriid taxa. Although believed to be related to the halkieriids, a chancelloriid affinity has more recently...
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← First halkieriids, mollusсs, hyoliths SSF...
12 KB (1,014 words) - 10:57, 19 July 2024
← First halkieriids, mollusсs, hyoliths SSF...
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small shelly fossils. Palaios 19: 178–183. Porter, Susannah M. (2004). "Halkieriids in Middle Cambrian Phosphatic Limestones from Australia". Journal of...
17 KB (1,750 words) - 06:30, 6 April 2024
← First halkieriids, mollusсs, hyoliths SSF...
9 KB (656 words) - 10:19, 13 June 2024