first outline restorations from articulated specimens of Drepanaspis. A second species of Drepanaspis, D. sehrieli, would later be discovered, followed by...
21 KB (2,044 words) - 01:02, 27 September 2024
See also †Darmuthia †Didymaspis †Dikenaspis †Dinaspidella †Dipnoides †Drepanaspis †Drepanolepis †Dyreaspis Contents: A B C D E F G H I J K L M N O P Q...
13 KB (1,368 words) - 17:28, 11 March 2022
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
9 KB (918 words) - 11:55, 3 October 2024
Evolving Planet Type Specimen Notes Cardipeltis agnathan fossil skeleton Drepanaspis agnathan fossil skeleton Tiktaalik sarcopterygian fossil skeleton Acheloma...
80 KB (6,782 words) - 22:50, 7 October 2024
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
3 KB (250 words) - 08:59, 16 May 2024
predominantly benthic habit. The earliest unequivocal psammosteid is Drepanaspis of Early Devonian Germany, which is either included in the family Psammosteidae...
2 KB (131 words) - 12:06, 20 August 2021
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
3 KB (259 words) - 02:01, 23 July 2024
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
5 KB (332 words) - 15:33, 22 November 2023
of Weigeltaspis suggest a living animal similar to psammosteids like Drepanaspis. The armor of Phialaspis symmondsi (once considered as species of Traquairaspis)...
4 KB (381 words) - 02:00, 15 September 2024
the most commonly preserved vertebrates, particularly the flattened Drepanaspis, notable for its upwards-facing mouth, and the streamlined Pteraspis...
29 KB (1,596 words) - 11:47, 9 October 2024
form that was originally described as a psammosteid closely related to Drepanaspis. Botella, Hector, and Richard A. Farina. "Flow pattern around the rigid...
6 KB (623 words) - 12:39, 4 July 2023
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
5 KB (430 words) - 11:33, 16 September 2024
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
5 KB (455 words) - 06:55, 23 September 2024
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
1 KB (39 words) - 10:30, 10 March 2023
arose during the Early Devonian, with the first (and best) known genus, Drepanaspis from the Hunsrück lagerstätte. The Psammosteids were the only heterostracans...
2 KB (103 words) - 09:21, 1 March 2021
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
2 KB (106 words) - 14:52, 11 June 2023
originally described as being North American psammosteids closely related to Drepanaspis by Orvig. Denison then redescribed them as being pteraspidids closely...
8 KB (761 words) - 08:31, 18 June 2024
Tartuosteus Weigeltaspis? Drepanaspididae Drepanaspis Guerichosteidae Guerichosteus Hariosteus Pycnolepis Pycnosteidae Tartuosteus Pycnosteus Psammolepididae...
2 KB (175 words) - 18:18, 25 August 2023
†Jamoytius) Class 4. †Heterostraci (e.g., †Astraspis, †Pteraspis, †Drepanaspis) Class 5. †Coelolepida (e.g., †Thelodus, †Lanarkia) Superclass 2. Gnathostomata...
19 KB (1,579 words) - 06:49, 23 December 2023