Thema Subject Categories 1.3

Previous versions of Thema are still available 1.2 1.1 1.0.

Browse the Thema subject categories hierarchy, or search for a specific term within the hierarchy.

See the search hints below.

Notation Category heading Add Mod ?
P Mathematics & Science
PS Biology, life sciences
Use for: (all PS* codes) academic, specialist and professional level works. Prefer WN* codes for natural history etc for the general reader. See also: WN* Nature & the natural world: general interest and its subcategories
PSV Zoology & animal sciences
See also: WNC Wildlife: general interest
PSVA Zoology: invertebrates
Class here: annelids (worms), myriapoda, echinoderms (starfish, sea urchins), jellyfish. See also: WNCN Wildlife: butterflies, other insects & spiders: general interest
PSVC Zoology: fishes (ichthyology)
See also: WNCS Wildlife: aquatic creatures: general interest
PSVF Zoology: amphibians & reptiles (herpetology)
See also: WNCK Wildlife: reptiles & amphibians: general interest
PSVJ Zoology: birds (ornithology)
See also: WNCB Wildlife: birds & birdwatching: general interest
PSVM Zoology: mammals (mammalogy)
See also: WNCF Wildlife: mammals: general interest
PSVP Ethology & animal behaviour 1.3

version detail