Thysananthus patrickmuelleri sp. nov. from Mexican amber, holotype (GZG.BST.22086). A. Upper part of the gametophyte in dorsal view; B. Lower part of the gametophyte with a short Lejeunea-type flagelliform branch (indicated by white arrow) in dorsal view; C. Upper part of the gametophyte in ventral view; D. Flagelliform branch in ventral view; E. Underleaves and leaf lobules with single apical teeth; F. Lobe cells with cordate trigones.

 
 
  Part of: Feldberg K, Kaasalainen U, Mamontov YS, Gradstein SR, Schäfer-Verwimp A, Divakar PK, Schmidt AR (2025) Extending the fossil record of Miocene neotropical epiphyte communities. Fossil Record 28(1): 79-102. https://doi.org/10.3897/fr.28.137758