Entity by Scientific Name Entity by Epithet Entity by Identifier Entity by Common Name Taxon by Scientific Name (above family group) Taxon by Scientific Name (family group) Taxon by Scientific Name (genus group) Taxon by Scientific Name (species group) Taxon by Scientific Name (below species group) Taxon by Authorship Object by Name Object by Number Phenomenon by Name Homonym Topic Person by Last Name / Standard Form Organization by Name / Abbreviation Reference by Year Reference by Title

Home

Site map | Contact

Entity:

[Pteridophyta] (Subdivision) ..[Filicales] (Class) ..[Filicinae] (Class) ..[Lycopodiales] (Class) ..[†Sphenophyllales] (Class) ..[†Sphenophyllinae] (Class) ..[Equisetales] (Class) ....[†Heterosporeae] (Subclass) ....[Isosporeae] (Subclass)

©2004-2026 Universal Taxonomic Services

Last updated: 28 Aug 2026