|Daughter taxa (time control age-window is: 0-800Ma)|
Scales have, in distal view, an indentation on one side of the central mound (= an off-centre swelling in proximal view).
Catalog entries: Hyalolithus
Original description: Cell with a haptonema and covered by hat-shaped siliceous scales. The central area of scales bulging, having many pores. The brim of scales recurved, not perforated.
Last occurrence (top): Extant. Data source: Total of ranges of the species in this database
First occurrence (base): within Middle Eocene Sub-Epoch (37.75-47.84Ma, base in Lutetian stage). Data source: Total of ranges of species in this database
Short stable page link: https://mikrotax.org/Nannotax3/index.php?id=20193 Go to Archive.is to create a permanent copy of this page - citation notes
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