Galeaspida (from Latin, 'Helmet shields') is an extinct taxon of jawless marine and freshwater fish. The name is derived from galea, the Latin word for...
14 KB (1,295 words) - 05:05, 20 July 2024
include only groups more clearly related to the Osteostraci, such as Galeaspida and Pituriaspida, that were largely unknown in the 1920s. Some reference...
8 KB (848 words) - 18:12, 27 August 2024
(conodonts) † Class Cephalaspidomorphi † (early jawless fish) (unranked) Galeaspida † (unranked) Pituriaspida † (unranked) Osteostraci † Infraphylum Gnathostomata...
4 KB (526 words) - 15:42, 18 August 2024
periods to the present day. †Galeaspida (extinct) Galeaspida ('helmet-shields') have massive bone shield on the head. Galeaspida lived in shallow, fresh water...
16 KB (1,044 words) - 23:53, 13 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
48 KB (3,774 words) - 13:35, 4 September 2024
all ostracoderms and the gnathostomes. Other ostracoderms, such as the Galeaspida are now known to have a paired olfactory organ. Current phylogenetic analysis...
5 KB (332 words) - 15:33, 22 November 2023
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
3 KB (287 words) - 07:15, 13 June 2024
braincase with those of jawless fish, such as the Osteostraci and the Galeaspida, strongly suggest that B. stensioi, and also the antiarchs, are basal...
2 KB (188 words) - 15:06, 24 February 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
72 KB (6,339 words) - 04:49, 4 September 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
35 KB (3,880 words) - 05:36, 24 June 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
4 KB (379 words) - 16:06, 26 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
36 KB (2,631 words) - 21:43, 20 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
262 KB (17,279 words) - 02:32, 17 July 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
26 KB (2,609 words) - 01:05, 18 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
7 KB (500 words) - 01:53, 8 July 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
22 KB (2,428 words) - 00:14, 24 April 2024
Undisputed subgroups traditionally contained with Cephaloaspidomorphi, also called "Monorhina", include the classes Osteostraci, Galeaspida, and Pituriaspida...
42 KB (2,726 words) - 19:31, 31 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
29 KB (2,021 words) - 02:52, 26 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
32 KB (2,186 words) - 21:02, 24 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
24 KB (1,970 words) - 23:24, 16 July 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
7 KB (623 words) - 09:17, 19 July 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
44 KB (4,113 words) - 19:32, 31 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
2 KB (236 words) - 09:42, 25 January 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
50 KB (5,780 words) - 00:23, 14 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
45 KB (2,440 words) - 15:09, 14 August 2024
†Protoconodonta? †Paraconodontida †Conodonta †Ostracoderms †Pteraspidomorphi †Thelodonti †Anaspida †Cephalaspidomorphi †Galeaspida †Pituriaspida †Osteostraci...
12 KB (535 words) - 23:06, 25 January 2024
†Galeaspida (jawless fish with bone head shields) unnamed...
47 KB (4,515 words) - 18:06, 7 July 2024