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Placoderm (redirect from Placodermi)'plate' and δέρμα [derma] 'skin') are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils during...43 KB (4,326 words) - 01:14, 19 May 2025
and weigh 2.5 kg (5.5 lb). The largest fish of the now-extinct class Placodermi was the giant predatory Dunkleosteus. The largest and most well known...103 KB (11,240 words) - 22:51, 25 May 2025
Length Estimation Suggests Much Smaller Sizes for Dunkleosteus terrelli (Placodermi: Arthrodira)". Diversity. 15 (3): 318. doi:10.3390/d15030318. ISSN 1424-2818...52 KB (4,598 words) - 04:26, 15 May 2025
all jawed vertebrates except the chondrichthyans and the extinct class Placodermi. Recent studies indicate that Osteichthyes evolved from placoderms like...6 KB (445 words) - 13:29, 20 May 2025
along with Brindabellaspis, form some of the most basal clades of the Placodermi, or Gnathostomata. They are more related to other placoderms and the more...7 KB (438 words) - 00:54, 25 March 2025
"jointed neck") is an order of extinct armored, jawed fishes of the class Placodermi that flourished in the Devonian period before their sudden extinction...17 KB (990 words) - 10:02, 11 March 2025- rays) Subclass Holocephali (chimaeras and extinct relatives) Class †"Placodermi" (armoured fish, paraphyletic) Class †"Acanthodii" ("spiny sharks", sometimes...5 KB (535 words) - 20:47, 4 May 2025
fossil record that have ever been considered to be members of the class Placodermi. This list excludes purely vernacular terms. It includes all commonly...46 KB (951 words) - 16:52, 25 April 2024
three top-level groupings: Chondrichthyes, or the cartilaginous fish; Placodermi, an extinct grade of armored fish; and Teleostomi, which includes the...29 KB (2,044 words) - 09:04, 1 June 2025
olfactory system than animals not in it. The only extinct classes shown are Placodermi and Acanthodii. Note that there are many other extinct chordate groups...14 KB (1,037 words) - 15:13, 4 May 2025
classification Domain: Eukaryota Kingdom: Animalia Phylum: Chordata Class: †Placodermi Order: †Antiarchi Family: †Pterichthyodidae Stensiö, 1948 Genus: †Pterichthyodes...4 KB (301 words) - 22:21, 3 July 2024
†Cephalaspidomorphi Infraphylum Gnathostomata (jawed vertebrates) Class †"Placodermi" (Paleozoic armoured forms; paraphyletic in relation to all other gnathostomes)...59 KB (5,300 words) - 12:50, 9 June 2025
(Vertebrata, Placodermi) from the Devonian of the north-western part of the East European Platform. "The Phylogeny of the Antiarcha (Placodermi, Pisces),...3 KB (95 words) - 03:50, 19 April 2025
small, scale-like tubercles. Stensioella is tentatively placed within Placodermi as being among the most basal of all placoderms, as from what can be discerned...3 KB (243 words) - 15:56, 3 May 2025
Quasipetalichthyidae. Zhu, M. "New information on Diandongpetalichthys (Placodermi: Petalichthyida)." Early vertebrates and related problems of evolutionary...8 KB (360 words) - 05:30, 22 December 2024
scraps were of a placoderm, and not a dinosaur. Denison, Robert (1978). Placodermi Volume 2 of Handbook of Paleoichthyology. Stuttgart New York: Gustav Fischer...10 KB (888 words) - 20:34, 2 March 2025
Like Stensioella heintzi, the Pseudopetalichthids' placement within Placodermi is suspect. However, due to a gross lack of whole, uncrushed, articulated...6 KB (294 words) - 20:17, 4 January 2025
Gogo Formation (section Placodermi)Accessed 29 May 2008. Long, J.A. 1997. Ptyctodontid fishes (Vertebrata, Placodermi) from the Late Devonian Gogo Formation, Western Australia, with a revision...26 KB (1,705 words) - 21:02, 23 May 2025- Aztec Siltstone (section Placodermi)Miller, Robert Rush (January 1980). "Handbook of Paleoichthyology, 2. Placodermi". Palaeogeography, Palaeoclimatology, Palaeoecology. 31: 93–94. doi:10...28 KB (2,085 words) - 19:03, 5 June 2025
virtually all jawless fish, save for lampreys and hagfish, as well as the Placodermi, a group of armoured fish that dominated much of the late Silurian, and...47 KB (4,535 words) - 16:12, 23 May 2025
- placodermo m (plural placodermos) placoderm