Living Beings

    species · Scientific classification

    Guillardia theta

    Inspect in the tree ↗Browse published profiles
    Source-identified Guillardia theta; Microscopy montage: transmitted light, chloroplast fluorescence and DNA staining; experimental colors. Framed for display
    Guillardia theta · Ryo Onuma, Neha Mishra, Shin-ya Miyagishima (contrast enhanced extract) · CC BY-SA 4.0

    Classification in context

    Lineage

    1. LifeLife
    2. DomainEukaryota
    3. ClassCryptophyceae
    4. OrderPyrenomonadales
    5. FamilyGeminigeraceae
    6. GenusGuillardia
    7. SpeciesGuillardia theta
    Advanced classification

    Complete source lineage, including intermediate ranks. The standard view uses Life and the eight principal ranks.

    1. cellular organisms cellular root
    2. Eukaryota domain
    3. Cryptophyceae class
    4. Pyrenomonadales order
    5. Geminigeraceae family
    6. Guillardia genus
    7. Guillardia theta species

    NCBI Taxonomy (2026-11-05 reconciled backbone) · Taxon source ↗

    Records in this collection

    Principal members

    1 published profile in this branch.

    No direct child records in this snapshot.

    Within this taxon

    Published profiles

    Source-identified Guillardia theta; Microscopy montage: transmitted light, chloroplast fluorescence and DNA staining; experimental colors. Framed for display
    Species · Guillardia

    Guillardia theta

    Guillardia theta

    Guillardia theta is a unicellular cryptophyte alga with an unusually informative evolutionary history. Its plastid descends from a red alga incorporated into …