Classes Flashcards
Cnidaria (6st classes)
Hydrozoa - smaller jellyfish
Scyphozoa - larger jellyfish
Staurozoa - stalked jellyfish
Myxozoa - obligate parasites
Cubozoa - box jellyfish
Anthozoa - sea anemones and corals
Mollusca (7st classes)
Gastropoda - snails and slugs
Bivalvia - clams, oysters and mussles
Polyplacophora - chitons
Cephalopoda - squid, octopuses and cuttlefish
Scaphopoda - tusk shells
Aplacophora - worm-like molluscs
Monoplacophora - ancient lineage of molluscs with cap-like shells
Annelida (2st grupper)
Polychaetes - many bristles
Clitellata (2st):
Oligochaetes - few bristles
Hirudinea - no bristles
Arthropoda (5st subphylum)
Hexapoda - insects, six legs, three tagmata, antennae
Chelicerata - spiders, scorpions, ticks and horseshoe crabs
Crustacea - Lobsters, crabs, barnacles
Myriapoda - centipedes and millipedes
Trilobita - trilobites
Hexapoda (2 classes)
Entognatha - liknar tvestjärt, inga vingar
Insecta - often two pairs of wings, fluga, geting osv
Chelicerata (3 classes)
Merstomata - horseshoe crabs
Pycnogonida - sea spiders
Arachnida - spiders, scorpinons, ticks and mites
Crustacea (3 superclasses)
Oligostraca - often planktonic or benthic, some parasitic
Xenocarida - annelid-like body plan with arthropod-typical appendages
Vericrustacea - copepods, isopods and decepods
Myriapoda (4 classes)
Chilopoda - “Centipedes” up to 177 segments, flattened bodies
Diplopoda - “Millipedes”, 25-100 segments, cylindrical bodies
Pauropoda - Very small-bodied, without eyes, 12 segments
Symphyla - Small-bodied, without eyes, 14 segments
Echinodermata (5 classes)
Asteroidea - sea stars/starfish
Ophiuroidea - brittle stars
Echinoidea - sea urchins
Crinoidea - sea lilies and feather stars
Holothuroidea - sea cucumbers
Chordata (3 subphylum)
Urochordata (tunicata) - ser ut som en vas med ådror, stor öppning
Cephalochordata lancelets) - ser ut som en liten platt fisk som sitter fast i sandbotten
Vertebrata (craniata) - alla som har ett huvud, i princip alla djur man tänker på som, groda, apa, delfin, mus, tupp, ödla, fisk osv.
Fishes (chordata)
(3 grupper)
Cyclostomata (jawless)
Cartilaginous (bråskfiskar)
Bony fishes
Aves (chordata)
(2 grupper)
Paleognathae - strutsliknande, kan inte flyga
Neognathae - flygande fåglar
Amphibia (chordata)
(3 Orders)
Anura - frogs and toads
Urodela - salamanders
Gymnophiona - caecilians, ser ut som en svart mask
Mammals
Phylum - chordata
Subphylum - vertebrata
Superclass - tetrapoda
Class - mammalia
Reproduction Mammals
Monotremes - egg laying
Marsupials - very short gestation period, or in pouch
Placental - longer gestation period
