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413:
The head-shield and body armor of most species form an almond shape. Plates have a distinctive ornamentation of tubercles: this ornamentation is very similar to the plate ornamentation of the heterostracan
511:
Tarlo, Halstead. "LB t1965) Psammosteiformes tAgnatha)—A review with descriptions of new material from the Lower
Devonian of Poland, II. Systematic Part." Palaeontologia Polonica 15: 168. Pages 20-21
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420:. This similarity of ornamentation creates much confusion over the taxonomical placement of
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Dineley, DL (1964). "New specimens of
Traquairaspis from Canada".
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386:. It is predominantly known from Late Silurian
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497:: CS1 maint: archived copy as title (
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398:: some species were also found in
342:Brotzen 1934 non Redtenbacher 1895
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400:shallow water marine environment
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16:Extinct genus of jawless fishes
765:Silurian fish of North America
760:Devonian fish of North America
449:
1:
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775:Fossils of the United States
698:. You can help Knowledge by
638:. You can help Knowledge by
32:Late Silurian–Early Devonian
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313:Dineley & Loeffler 1976
297:Dineley & Loeffler 1976
289:Dineley & Loeffler 1976
273:Dineley & Loeffler 1976
265:Dineley & Loeffler 1976
257:Dineley & Loeffler 1976
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233:Dineley & Loeffler 1976
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687:This article related to a
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249:(Traquair 1912) Kiær 1932
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216:(Traquair 1912) Kiær 1932
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120:Scientific classification
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435:The generic name honors
437:Ramsay Heatley Traquair
212:Traquairaspis campbelli
790:Pteraspidomorphi stubs
384:Early Devonian periods
795:Silurian animal stubs
755:Silurian jawless fish
750:Devonian jawless fish
785:Devonian extinctions
167:Traquairaspidiformes
745:Heterostraci genera
630:This article about
111:Reconstruction of
770:Fossils of Canada
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524:Taxon identifiers
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480:on 2012-04-25
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464:(2): 210–219.
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458:Palaeontology
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262:T. lemniscata
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482:. Retrieved
475:the original
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430:Weigeltaspis
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422:Weigeltaspis
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417:Weigeltaspis
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347:Lophaspiscis
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294:T. pustulata
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246:T. campbelli
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205:Type species
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155:Heterostraci
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556:Wikispecies
368:of extinct
302:T. rambaldi
113:T. cambelli
739:Categories
484:2015-07-19
443:References
305:Broad 1968
254:T. guttata
230:T. adunata
339:Lophaspis
331:Orthaspis
310:T. retusa
286:T. poolei
238:T. broadi
198:Kiær 1932
126:Kingdom:
689:Silurian
547:Q7835683
541:Wikidata
493:cite web
428:, or of
380:Silurian
373:agnathan
322:Synonyms
278:T. plana
222:Species
174:Family:
143:Chordata
138:Phylum:
131:Animalia
602:4949958
589:1152667
576:4815496
396:England
388:fluvial
186:Genus:
162:Order:
150:Class:
692:animal
404:Canada
694:is a
634:is a
584:IRMNG
478:(PDF)
471:(PDF)
392:Wales
366:genus
364:is a
696:stub
636:stub
571:GBIF
499:link
406:and
394:and
382:and
376:fish
37:PreꞒ
402:in
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491:{{
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462:7
92:N
82:K
77:J
72:T
67:P
62:C
57:D
52:S
47:O
42:Ꞓ
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