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Order
Pennales
(alga)
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Entity:
Bacillariophyceae (Class) - pennates
..Bacillariophycidae (Subclass) - raphid diatoms
..[Centrales] (Order)
..[Eunotiophycidae] (Subclass)
..Fragilariophycidae (Subclass) - core araphid diatoms
..[Frustulia] (Genus)
..Lemnicola (Genus)
..[†Muelleriella] (Genus)
..[Raphoneidales] (Order)
..[Rhabdium] (Genus)
..Stoschiella (Genus)
..[Uneidophycidae] (Subclass) - basal araphids
..Urneidophycidae (Subclass) - basal araphid diatoms
..[Pennales] (Order)
....[Araphidineae] (Suborder)
....[Biraphidineae] (Suborder)
....[Monoraphidineae] (Suborder)
....[Raphidoidineae] (Suborder)
Variants
Different rank
:
Pennales
(Class)
Different spelling
:
Pennatae
(Order)
Synonyms
Synonymous name
:
Pennatibacillariophyceae
(Class)
Including (pro parte)
:
Bacillariophyceae
(Class)
Haeckel (1878)
Including (pro parte)
:
Fragilariophyceae
(Class)
Round (1990)
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026