Phytoclast
{{Short description|Microscopic plant fragments in fossil}}
{{One source|date=April 2025}}
File:Cosmochlaina.png, retrieved from the Burgsvik beds by acid maceration. Cells about 12 μm in diameter.]]
Phytoclasts are microscopic plant fragments present in the fossil record, usually found in palynological preparations and acid macerations, and include banded tubes and various nematophytes.{{Cite journal | first1 = P. G.| last1 = Gensel| last2 = Johnson | first2 = N. G. | first3 = P. K.| last3 = Strother| year = 1990| issue = 6| pages = 520–547| jstor = 3514860| title = Early Land Plant Debris (Hooker's "Waifs and Strays"?)| journal = PALAIOS| volume = 5| doi = 10.2307/3514860| bibcode = 1990Palai...5..520G}}