|Daughter taxa (time control age-window is: 0-800Ma)|
Specimens which cannot be assigned to established species
Catalog entries: Pseudohaptolina
Original description: Cells round to oblong with two equal, homodynamic flagella. Haptonema similar in length to flagella and non-coiling. Haptonema and flagella inserted apically. Periplast covered by organic plate scales with radiating ribs on both distal and proximal faces. Cells with two chloro- plasts. Nucleotide sequences for the SSU and LSU rDNA distinct.
Last occurrence (top): Extant Data source: Total of range of species in this database
First occurrence (base): within No known fossil record modern (0.00-0.00Ma, base in "Holocene" stage). Data source: Total of range of species in this database
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