"Krassiloviella limbelloides is the second bryophyte described as a result of ongoing studies of the Early Cretaceous Apple Bay flora of Vancouver Island. Krassiloviella is also the second genus of family Tricostaceae, which provides the oldest unequivocal evidence for the pleurocarpous superorder Hypnanae and a hard minimum age for the group. Revealing aspects of diversity unaccounted for in extant floras, such fossil bryophyte discoveries emphasize the importance of paleontology for efforts aimed at documenting the history of biodiversity
The reference is:
Glenn W. K. Shelton, Ruth A. Stockey,
Gar W. Rothwell, and Alexandru M. F. Tomescu.
Krassiloviella limbelloides gen. et sp. nov.: Additional Diversity in the Hypnanaean Moss Family Tricostaceae (Valanginian, Vancouver Island, British Columbia).
177(9): 792-808. 2016.
Available from: https://www.researchgate.net/publication/309090129_Krassiloviella_limbelloides_gen_et_sp_nov_Additional_Diversity_in_the_Hypnanaean_Moss_Family_Tricostaceae_Valanginian_Vancouver_Island_British_Columbia [accessed Nov 10, 2016].
Leaves are tricostate, with a unistratose lamina through
most of the leaf length (e.g.,
g. 6). Laminae are delicate, as
evidenced by their typically incomplete preservation (e.g.,
). Where unistratose, the lamina is 11.5
thick. However, the lamina is bistratose or tristratose in areas
where costae converge at the leaf apex (
). The three
costae arise separately (
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