Animal Kingdom 
SCHEME OF CLASSIFICATION OF THE 
ANIMAL KINGDOM 
( ( Proteomyxa . Protomyxa, Vampyrella. 
Myxomycetes . Chondrioderma, Fuligo. 
Tehes Nuda—A moeba, Pelomyxa. 
* | Testacea—Arcella, Difflugia. 
Labyrinthulidea 
GYMNOMYXA Perforata — Rotalia,  Globi- 
gerina. 
* | Imperforata—Gromia, Orbi- 
tolites. 
Heliozoa.. .  Actinophrys, Actinosphaerium. 
Radiolaria . . Acanthometra, Collozowm. 
Reticularia 
Lissoflagellata —Zuglena. 
PROTOZOA Flagellata . : { Ghosts as Codosiga, 
Proterospongia. 
Dinoflagellata 
Rhynchoflagellata — Noctiluca. 
CoRTICATA .< Ciliata Heterotricha—Stentor. 
Peritricha—Tvrichodina, Vor- 
ticella. 
* | Holotricha — Paramoecium, 
Opalina. 
i ; Hypotricha—Luplotes. 
Acinetaria .  Acineta, Dendrocometes. 
[ Monocystidae 
hic Monocystis. 
| Sporozoa _ | Gregarinidea Polyeystidae 
Wee Clepsidrina. 
orifera. Coecidiidea— Coccidiwm. 
ACOELOMATA eset 
Platyhelminthes. 
Nemertea. 
Nematoda. 
Hirudinea. 
METAZOA Chaetopoda. 
Gephyrea. 
Concerts Brachiopoda. 
Polyzoa. 
Mollusca. 
Echinodermata. 
Arthropoda. 
\ Chordata. 
Note.—In the tables of classification those groups which are not described in 
the text are printed in italics. After the title of the minor sub-divisions of 
the group, the name of one or more typical genera belonging to that sub-division 
is added in italics. 
