Zoology Lab Quiz 8

phylum chordata

-subphylum urochordata

-subphylum cephalochordata

-subphylum vertebrata

subphylum urochordata

-tunicata

-sea squirts

subphylum cephalohordata

lancelet

subphylum vertebrata

-class petromyzontida

-class myxini

-class chondrichthyes

-class actinopterygii

-class sarcopterygii

class petromyzontida

lampreys

class myxini

hagfish

class chondrichthyes

-cartilaginous fish

-shark

-skates

-rays

class actinopterygii

-bony fish

-ray-finned fish

-perch

class sarcopterygii

-lobe-finned fish
-coelacanth

-lungfish

phylum chordata subphylum cephalochordata lancelet

-rostrum

-gill bars

-dorsal nerve cord

-notochord

-caudal fin

-anus

-gill slits

-wheel organ

-oral hood

phylum chordata subphylum vertebrata class petromyzontida lamprey external

-caudal fin

-second dorsal fin

-first dorsal fin

-pineal organ

-buccal funnel

-gill slits

phylum chordata subphylum vertebrata class petromyzontida lamprey internal

-liver

-heart

-notochord

-spinal cord

-brain

-olfactory sac

-tongue

-cranial cartilage

-buccal funnel

-horny teeth

-pharynx

-lingual cartilage

phylum chordata subphylum vertebrata class petromyzontida larval lamprey

-oral papillae

-oral hood

-spinal cord

-notochord

-caudal fin

-cloacal opening

-gill pouch

phylum chordata subphylum vertebrata class chondrichthyes shark external

-mouth

-nostril

-rostrum

-eye

-spiracle

-lateral line canal

-anterior dorsal fin

-posterior dorsal fin

-caudal fin

-clasper

-pelvic fin

-pectoral fin

-external gill slits

-heterocercal tail

-placoid scale

phylum chordata subphylum vertebrata class chondrichthyes shark internal

-heart

-liver

-stomach

-duodenum

-spleen

-colon

-cloaca

-clasper

-rectal gland

-spiral valve

-ilium

-pancreas

-gallbladder

phylum chordata subphylum vertebrata class actinopterygii perch external

-mouth

-nostril

-eye

-first dorsal fin

-second dorsal fin

-lateral line

-caudal fin

-anal fin

-pelvic fin

-pectoral fin

-operculum

-homocercal tail

-ctenoid scales

phylum chordata subphylum vertebrata class actinopterygii perch internal

-spleen

-ovary

-duodenum

-stomach

-pyloric ceca

-liver

-gills

-swim bladder

fish scale

ammocoetes lamprey cross section

ammocoetes larvae lamprey

amphioxus lancelet cross section

amphioxus lancelet

tunicate larvae