along with the horn-like rostrum, made Pteraspis very streamlined in shape, which is good for swimming. Pteraspis also had some stiff spikes on its back...
5 KB (332 words) - 23:36, 5 September 2024
Rhinopteraspis (redirect from Pteraspis dunensis)
Rhinopteraspis is an extinct genus of pteraspidid heterostracan agnathan. "Rhinopteraspis cornubica (McCoy), with notes on the classification and evolution...
1 KB (32 words) - 04:53, 30 July 2022
Pteraspidomorphs (Pteraspis shown) are prehistoric jawless fish characterized by their massive dermal head armour having large, median, ventral and dorsal...
3 KB (350 words) - 21:45, 1 December 2023
Denison later revised his findings and placed Protaspis priscillae into Pteraspis in 1970. In 1984, Alain Blieck further revised P. priscillae's classification...
3 KB (220 words) - 18:42, 10 February 2024
were portions of what would eventually be described as the heterostracan Pteraspis rostratus. C. lyelli, named after Sir Charles Lyell, would be left to...
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Temporal range: Furongian to Late Devonian PreꞒ Ꞓ O S D C P T J K Pg N Pteraspis Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum:...
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Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
9 KB (918 words) - 01:26, 29 August 2024
Cyathaspidiformes Family: Cyathaspidae Genus: Cyathaspis Lankester Type species Pteraspis banksii Huxley and Salter, 1856 Species C. acadica (Matthew 1886) C. banksii...
2 KB (121 words) - 23:39, 27 May 2023
Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
3 KB (259 words) - 02:01, 23 July 2024
family, Petromyzontidae Life reconstruction of extinct agnathan genus, Pteraspis Scientific classification Domain: Eukaryota Kingdom: Animalia Phylum:...
42 KB (2,726 words) - 19:31, 31 August 2024
by Dr. Errol Ivor White as one of five form-variants of Pteraspis rostrata, i.e., "Pteraspis rostrata var. waynesis. In 1984, Alain Blieck moved var....
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Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
5 KB (430 words) - 10:09, 26 May 2024
Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
3 KB (250 words) - 08:59, 16 May 2024
†Pteraspidiformes Family: †Protaspididae Genus: †Protaspis Bryant, 1933 Type species Pteraspis bucheri Bryant, 1932 Species Protaspis bucheri (Bryant, 1932) Protaspis...
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0.CO;2. ISSN 0272-4634. JSTOR 30126298. "Specimen of the Week 258 : Pteraspis models | UCL Museums & Collections Blog". blogs.ucl.ac.uk. Retrieved 2019-06-25...
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Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
5 KB (455 words) - 20:00, 30 August 2024
marine strata of the Lost Burro Formation. P. snowi strongly resembles Pteraspis, though while it was originally described as a member of the same family...
2 KB (178 words) - 09:36, 1 March 2021
vertebrates. It contains the more derived taxa within Pteraspidiformes, such as Pteraspis and Errivaspis, though, some protopteraspidids, such as Doryaspis and...
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Drepanaspis, notable for its upwards-facing mouth, and the streamlined Pteraspis. Spines from acanthodii spiny sharks and a single sarcopterygian lobe-fin...
28 KB (1,506 words) - 19:12, 10 July 2024
the stereotypical, torpedo-shaped pteraspidids, such as the type genus, Pteraspis, and its close relatives Errivaspis and Rhinopteraspis, that are popularly...
6 KB (623 words) - 12:39, 4 July 2023
opening of the mouth is lined with very fine denticles, similar to those of Pteraspis. These denticles, that would continue up into the inner margins of the...
21 KB (2,044 words) - 06:38, 19 August 2024
Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
2 KB (106 words) - 14:52, 11 June 2023
†Porophoraspis †Praetrilogania †Procephalaspis †Protaspis †Psephaspis †Pteraspis †Ptomaspis †Pycnaspis †Pycnosteus Contents: A B C D E F G H I J K L M...
13 KB (1,368 words) - 17:28, 11 March 2022
†Cephalaspidomorphi (e.g., †Cephalaspis) Class 3. †Pteraspidomorphi (e.g., †Pteraspis) Class 4. †Anaspida (e.g., †Birkenia, †Jamoytius) Superclass 2. Gnathostomata...
19 KB (1,579 words) - 06:49, 23 December 2023
Loricopteraspis Miltaspis Mitraspis Mylopteraspidella Mylopteraspis Podolaspis Pteraspis Rhinopteraspis Stegobranchiaspis Gigantaspididae Gigantaspis Protaspididae...
2 KB (175 words) - 18:18, 25 August 2023
the stereotypical, torpedo-shaped pteraspidids, such as the type genus, Pteraspis, and its close relatives Errivaspis and Rhinopteraspis, that are popularly...
2 KB (181 words) - 05:53, 17 December 2021