Sawdonia is an extinct genus of early vascular plants, known from the Upper Silurian to the Lower Carboniferous (430 to 320 million years ago). Sawdonia...
7 KB (787 words) - 20:00, 13 October 2022
ranging from forms like Hicklingia, which had bare stems, to forms like Sawdonia and Nothia, whose stems are covered with unvascularized spines or enations...
16 KB (1,449 words) - 23:13, 2 April 2024
Nothia Oricilla Protobarinophyton Ramoferis Rebuchia, see Distichophytum Sawdonia (B) Serrulacaulis Tarella Thrinkophyton Trichopherophyton Ventarura Wenshania...
17 KB (1,682 words) - 23:51, 29 June 2024
Sawdoniaceae Sawdonia ornata Scientific classification Kingdom: Plantae Clade: Tracheophytes Clade: Lycophytes Plesion: †Zosterophylls Order: †Sawdoniales...
2 KB (167 words) - 19:11, 13 October 2022
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
3 KB (301 words) - 04:43, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
9 KB (810 words) - 17:44, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
2 KB (201 words) - 17:44, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
2 KB (203 words) - 17:44, 3 January 2024
Andrews, Henry N.; Forbes, William H. (March 1975). "A New Species of Sawdonia with Notes on the Origin of Microphylls and Lateral Sporangia". Botanical...
10 KB (739 words) - 18:11, 18 July 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
3 KB (290 words) - 17:43, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
4 KB (420 words) - 21:12, 13 May 2024
Kenrick & Crane (1997), p. 12. Rayner, R.J. (1983). "New observations on Sawdonia ornata from Scotland". Transactions of the Royal Society of Edinburgh....
4 KB (371 words) - 21:29, 13 October 2022
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
8 KB (810 words) - 17:41, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
6 KB (671 words) - 19:58, 13 October 2022
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
3 KB (283 words) - 17:42, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
5 KB (550 words) - 00:50, 23 April 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
7 KB (622 words) - 17:41, 3 January 2024
and 6. A trimerophytopsid. P. sp. Facies 1 and 5. A trimerophytopsid. Sawdonia S. acanthotheca Facies 1 and 2. A zosterophyll. S. ornata Facies 1 and...
16 KB (748 words) - 22:18, 18 June 2024
tracheids having annular, spiral thickenings. D. longistipa somewhat resembles Sawdonia, but differs in branching pattern and in the arrangement of the sporangia...
5 KB (553 words) - 04:19, 18 July 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
3 KB (247 words) - 04:19, 14 July 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
2 KB (176 words) - 17:41, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
5 KB (464 words) - 15:14, 15 July 2024
sporangia were from Psilophyton, but some aerial stems were from what is now Sawdonia, and the rhizomes were from Taeniocrada. In 1871, Dawson described specimens...
18 KB (1,937 words) - 00:23, 19 May 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
25 KB (2,826 words) - 15:14, 30 June 2024
intermixed among several other plant types in this lens, including remains of Sawdonia ornata and Psilophyton sp. indet. Taylor, Thomas N.; Taylor, Edith L. (1993)...
4 KB (362 words) - 10:59, 18 March 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
3 KB (254 words) - 17:42, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
5 KB (422 words) - 06:34, 9 November 2023
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
4 KB (285 words) - 17:43, 3 January 2024
Thrinkophyton, Protobarinophyton, Barinophyton obscurum, B. citrulliforme, Sawdonia, Deheubarthia, Konioria, Anisophyton, Serrulacaulis, Crenaticaulis...
2 KB (179 words) - 06:14, 16 September 2023