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is a chelicerate, it is distinguished by its prosoma (head), which is bell-shaped and emarginate in front, with subrectangular compound eyes located posteriorly on the prosoma, which strongly converge anteriorly. It was small in size, and its abdomen and appendages are unknown.
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Jason A. Dunlop; David Penney; Denise Jekel; with additional contributions from Lyall I. Anderson, Simon J. Braddy; James C. Lamsdell; Paul A. Selden & O. Erik Tetlie (2011). "A summary list of fossil spiders and their relatives". In Norman I. Platnick (ed.).
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is not a chelicerate at all, and interpreted its type specimen as the dorsal valve of a craniate brachiopod.
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James C. Lamsdell; Ian G. Percival & Markus
Poschmann (2013). "The problematic 'chelicerate'
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Treatise on
Invertebrate Paleontology, Part P Arthropoda 2, Chelicerata
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270:"The Argus (Melbourne, Vic. : 1848 - 1957) - 29 Sep 1953 - p7"
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Caster & Kjellesvig-Waering, 1953, Upper
Silurian, Australia
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Caster & Kjellesvig-Waering: a case of mistaken identity".
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The only found specimen was found in 1953 by members of the
95:, known from the Upper Silurian of Australia. It is of
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215:: CS1 maint: multiple names: authors list (
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191:NMBE - World Spider Catalog, version 19.5
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157:Caster & Kjellesvig-Waering, 1953
75:Caster & Kjellesvig-Waering, 1953
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418:Prehistoric invertebrates of Oceania
197:. American Museum of Natural History
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121:. It was identified and named by
16:Genus of prehistoric brachiopod
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423:Silurian animals of Australia
413:Prehistoric protostome genera
115:Bendigo Field Naturalist Club
97:uncertain taxonomic placement
248:10.1080/03115518.2013.764681
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87:is a genus of prehistoric
232:Melbournopterus crossotus
125:, who named it after the
108:Melbournopterus crossotus
32:Scientific classification
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123:Cincinnati University
127:nearby state capital
295:1955. Merostomata.
119:Heathcote, Bendigo
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385:Open Tree of Life
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199:. Retrieved
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162:M. crossotus
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344:Wikispecies
133:Description
104:Chelicerata
99:within the
89:chelicerate
56:Brachiopoda
407:Categories
293:Størmer, L
279:2024-04-17
174:References
93:brachiopod
256:128814947
211:cite book
101:subphylum
38:Kingdom:
335:Q6811982
329:Wikidata
50:Phylum:
43:Animalia
390:4703068
377:1237026
364:4655403
201:May 21,
146:Species
63:Genus:
299:, P39.
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372:IRMNG
274:Trove
252:S2CID
195:(PDF)
359:GBIF
217:link
203:2011
244:doi
137:If
91:or
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