Fossil specimen : OUM E.03440 – Lectotype
| Taxonomic Group |
Kingdom Plantae Phylum Cycadophyta Class Cycadopsida Order Medullosales |
|---|---|
| Fossil Name | Cyclopteris orbicularis Brongniart, 1831 |
| Type Status | Lectotype |
| Name History | Cyclopteris orbicularis Brongniart, 1831 – See Cleal & Shute (2003): Lectotype Cyclopteris orbicularis Brongniart, 1831 – See Cleal & Shute (1998): Lectotype Cyclopteris orbicularis Brongniart, 1831 – See Kidston (1886): Syntype Cyclopteris orbicularis Brongniart, 1831 – See Brongniart (1831): Syntype |
| Registration No. | E.03440 |
|---|---|
| Collector | Name not available |
| Donor or Associated Person | Old OUM Collection |
| Held By |
 Oxford University Museum of Natural History
|
| Comments | E.3439 & E.3440 are part and counterpart |
| Country | England |
|---|---|
| Locality | Unknown |
| Grid Reference | Not available |
| Rock Unit | Coal Measures Supergroup |
|---|---|
| Biozone | Not available |
| Geological Age |
Pennsylvanian Subperiod (Carboniferous Period) (298.9 – 323.2 Ma B.P.) |
| References | BRONGNIART, A. 1831. Hhistoire des végétaux fossiles. 1 (5-6). G. Dufour et E. d'Ocagne, Paris, pp. 209-264, pls L, LIII, LVII-LXI, LXIbis, LXII-LXV, LXVII-LXXXII. p. 220; pl. LXI, fig. 2 CLEAL, C.J. and SHUTE, C.H. 1998. Proposal to conserve the generic name Cyclopteris (fossil plants) against Cyclopteris (non-fossil Pteridophyta). Taxon, 47, 448-450. pp. 448 - 450 CLEAL, C.J. and SHUTE, C.H. 2003. Systematics of the Late Carboniferous medullosalean pteridosperm Laveineopteris and its associated Cyclopteris leaves. Palaeontology, 46 (2), 353-411. pp. 384, 385, 386; text-fig. 8 B KIDSTON, R. 1886. Catalogue of the Palaeozoic Plants in the British Museum (Natural History), London. (Palaeontology), VIII, 288 pp. p. 90 |
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