2 Pisces 
PISCES. 
Order ii. Selaciiii. Fams. Psammodontidce , Petalodon- 
tidce , Cochliodontldce , Cestraciontidce, Spina- 
cidce, Notidanidas , Lamnidce , Carchariulce , 
Squatinidce , Rhinobatidce , Pristiophoridcc, 
Pristidcc , Sqiiatinoraiidce, Raiidce, Try - 
gonidce , Myliobatklce . 
Subclass iv. Teleostomi. 
Superorder 1. Rhipidopterygia. 
Order i. Riiipidistia. Fam. Tristichopteridce. 
Order ii. Actinistia. Fam. Ccvlacanthidce. 
Superorder 2. Crossopterygia. 
Order i. Placodermi. Fams. Coccosteidcc t Dinich- 
thyidcu . 
Order ii. IIaplistia. Fam. Phanerop leuridw. 
Order iii. Taxistia. Fams. Iloloptycliudcc, Osteolepi- 
didce. 
Order iv. Cladistia. Fam. Polypteridce . 
Superorder 3. Podopteiiygia. Ord. Chondrostei. 
Fams. Polyodoutldce, Acipenserklcc , Chon- 
drosteidce. 
Superorder 4. Acjtinopterygia. 
Tribe i. Physostomi. 
Order i. Lysopteri. Fam. Palceonlscidce. 
P/ Order ii. M^rospondyli. Fams. Sauropsklcc , Pycno- 
l dontklcB , Stylodontidce , Sphcerodontedce , 
Macro semiidcc. 
Order iii. Halecomorpiii. Fam. Amiidce. 
Order iv. Gynglymodi. Fam. Lepklosteklce. 
Order v. Isospondyli. Fams. Dapedidce , Lepidotidcc , 
Aspidorhynchkhc , Saurodontklce, Osteoglos- 
sidcc , Iletcrotidcc , Galaxiklcc , Clupeklie t 
Chirocentridce, Salmonidce , Thymallklcc , 
Alepocephalidce , Gonorhynchklce , Saurklcv , 
Lutodiridce , Aulopidai , Elopklai , Albulkhu , 
llyodontidcc , Notopterklcv. 
Order vi. Actinociiiri. Fam. Pelecopteridce. 
Order vii. Plectospondyli. Fams. Characinidce ) Ster- 
noptygidai , Cobitidce , Cyprinidce, Cato- 
stomklce. 
Order viii. Scypiiophori. Fams. Mormijridce, Gymnar- 
chklce. 
Order ix. Nematognatiii. Fams. Silurklce , Hypoph - 
thalmidcc , Aspredinidce. 
Order x. Haplomi. Fams. Esocklai, Stratodontidcc, 
Umbridce , Cyprinodontidce , Amblyopsidce. 
Order xi. Glanencheli. Fam. Gymnotidai. 
Order xii. Ichtiiyocephali. Fam. Monopteridce. 
