Hyalonema
Euplectalla
Tethya
Leucosolenia
B. Euplectalla
Insect has 6 pairs of legs and one pair of wings while spider has 4 pairs of legs and no wings
Insect has 4 pair of legs and two pairs of wings while spider has 3 pairs of legs and no wings
Insect has 3 pairs of legs and two pairs of wings and spider has 4 pairs of legs and no wings
Insect has 3 pairs of legs and generally no wings while spider has 5 pairs of legs and generally one pair of wings
Flame cellsplatyhelminthes
Stinging cellscoelenterata
Metameric segmentationmollusca
Gill slitschordata
herbivores
carnivores
omnivores
fruit eaters
Insecta
Protozoa
Mammalia
Aves
Neries, Planum, Roundworm, Earthworm
Millipede, Crab, Centipede, Cockroach
Star fish, Jelly fish, Cuttle fish, Octopus
Leech, Locust, Sea urchin, Lobster
Liver fluke, tapeworm, roundworm
Sea urchin, sea fan, sea cucumber
Leucosolenia, Sycon, Euspongia
Plasmodium, Hydra, Planaria
John Ray
Carolus Linnaeus
G.L. Cuvier
All of these
fishes with a sinlge gill aperture
insects with a single pair of functional spiracles
mammals with a single common cloacal opening
protozoans with single flagellum
crayfish
frog
grasshopper
starfish
Hydra
Earthworm
Centipede
Cockroach
Ascaris, Hydra, Earthworm
Leech, Hydra, Tapeworm
Hydra, Man, Leech
Tapeworm, Toad, Starfish
reptile and bird
reptile and mammals
fish and amphibia
reptile and amphibia
Reptilia
Amphibia
Aves
Mammalia
Liver fluke, tapeworm, roundworm, guinea worm
Oyster, ship-worm, octopus, cuttle fish
Prawn, neries, crab, millipede
Sea urchin, sea fan, sea lily, sea pen
Amphioxus and Balangolossus
Petromyzon and Myxine
Herdmania and Myxine
Herdmania and Amphioxus
allopatric
sibling species
morphospecies
sympatric
mollusca
bivalvia
scaphopoda
gastropoda
insects
crustaceans
annelids
arachnids
India
U.K
USSR
West Indies
2 pairs of legs
3 pairs of legs
4 pairs of legs
5 pairs of legs
hag fish
eel
flyingfish
seahorse
Fishes and Echinodermata
Coelentrata and Echinodermata
Porifera and Coelentrata
Echinodermata and Protochordata
Cetacea
Chiroptera
lnsectivora
Lagomorpha
Frog
Lizard
Pigeon
Whale
Carolus Linnaeus
Charles Darwin
Lamarck
Wallace
Peripatus
Limulus
Balanoglossus
Sphenodon
Earthworm
Hydra
Ascaris
Scolopendra
Acoelomate animals
Pseudocoelomate animals
Animals with enterocoel
Animals with schizocoel
annelida
arthropoda
mollusca
echinodermata
porifera
mollusca
annalida
platyhelminthes