nomenclatorial act:
protologue/first publication
systematic position:
Spermatopsida, Voltziales, Thucidiaceae
typeseries:
Holotype. Specimen OUPH-13450 (GR-1), figures 10D and 11E, here designated the holotype; reposited in the Ohio University Paleobotanical Herbarium.
Paratypes. External morphology of vegetative shoots (G200) OUPH-13411 (fig. 2A); cuticles OUPH-13426 (M2019 u1) (fig. 6A, 6L); OUPH-13427 (M2006) (fig. 6B, 6C, 6K, 6M); OUPH-13429 (G1A3) (fig. 6E, 6F, 6H, 6N). Anatomy OUPH-13424 (M1451 a8) (fig. 5D); OUPH 13425 (M1454 f3) (fig. 5E); OUPH-13437 (M-1454 f17) (fig. 7A); OUPH-13438 (M2019 b10) (fig. 7B); (M2019 c1) OUPH-13439 (fig. 7C); (M2019 c2) OUPH-13440 (fig. 7D); OUPH-13444 (M2019 b4) (fig. 7I, 7N, 7O); OUPH-13446 (M2019 c3) (fig. 7L, 7M). Compound pollen cone OUPH-13457 (G82) (fig. 8A, 8B); OUPH-13458 (G82) (fig. 8C); OUPH-13457 (G82) (fig. 8D); OUPH-13460 (G82) (fig. 8E, 8G; fig. 9A, 9B); G82 (OUPH-13461) (fig. 8F; fig. 9C, 9E); OUPH-13462 (G82- pcp6) (fig. 9D); OUPH-13463 (G82-pcp5) (fig. 9F); OUPH-13465 (G82-pcp4) (fig. 9H). Fertile zones OUPH-13447 (GR- 11) (fig. 10A); OUPH-13451 (GR-17) (figs. 10E, 11C); OUPH-13455 (GR-16) (fig. 13A, 13B, 13G). The specimens are reposited in the Ohio University Paleobotanical Herbarium.