Subphylum Craniata (Vertebrata)

Slides:



Advertisements
Similar presentations
Chordates Zoology Donald Winslow 4 April 2008 Following Hickman et al. 2008, Ch 23 pp , , 512 (protochordates & early vertebrates)‏ Ch 24.
Advertisements

Agnatha Chondrichthyes Osteichthyes
Vertebrate Animals (The Animals You’re Most Familiar With)
Higher Chordates: Fishes & Amphibians
Anatomic Diversity  Human anatomy is a typical anatomy of a member of Phylum Chordata.  Human anatomy understood biologically within its comparative.
Unit 11 Marine Vertebrates
Fishes.
Chordates (Phylum Chordata) Tunicates/Sea squirts (Urochordata) Lancelets (Cephalochordata) Vertebrates (Craniata - formerly vertebrata )
Part 1 Where does it start?
3 Classes down, 2 more to go Myxini (hagfishes) Petromyzontida (lampreys) Chondrichthyes (sharks, rays and chimaeras) – How many?
Phylum Chordata Chapter The Fishes. Vertebrata– The Backboned Animals Characteristics Characteristics Most numerous & complex of Chordates Most.
Fish Ho Suet Ying 6S (8).
Introduction to Chordates BIO 122: Zoology Newberry College.
FISH (and chordates).
Fish.
Fish Taxonomy.
Lesson 19: Vertebrates I Marine Biology. Vertebrates: Animals with a backbone Classification Overview Common Vertebrates Phylum Subphylum Chordata Vertebrata.
Marine Fishes Read Chapter 9 Pages Chordates  All chordates have (at least during some period of their life) –Dorsal nerve cord –Gill slits.
1 Unit 8.2 Class Agnatha, Chondrichthyes, & Osteichthyes.
Chapter 18 Fishes.
Phylum Chordata Subphylum Urochordata Subphylum Cephalochordata Subphylum Vertebrata tunicateslancets Agnathans Fish Sharks tetrapods.
Chapter 18 – Fishes Lionfish (Pterois). Phylum Chordata Bilateral Bilateral Notocord – rod of cartilage, it forms the spine in some – (2) Notocord – rod.
Vertebrate Characteristics Kingdom Animalia; Phylum Chordata; Subphylum Vertebrata.
Fish.
Class Sarcopterygii (coelacanths, lungfishes) lobed fins bony supports to tips of fins.
Fish. Classification Kingdom- Animalia Phylum- Chordata Sub Phylum- Vertebrata Classes- Agnatha, Chondrichthyes, Osteichthyes.
Vertebrates. Vertebrate Characteristics Endoskeleton Vertebrae Integument Gills & Lungs _____________ circulatory system Digestive Tract _____________.
Chordates. A chordate is an animal that has, for at least some stage of its life, a dorsal, hollow nerve cord; a notochord; pharyngeal pouches; and a.
FISH. Phylum Chordata Vertebrates Animals which have a spinal cord protected by a backbone Fish, amphibians, reptiles, birds & mammals Internal skeletons.
Ichthyology.
Chondrichthyes Sharks, skates and rays Placoid scales Ampullary organs.
Phylum Chordata The chordates. Five Chordate Hallmarks  Notochord – flexible rodlike structure; extending length of body.
What Makes a Fish a Fish? Chapter 8: Marine Fishes.
Vertebrata The Fishes.
Fish or Fishes? Multiple individuals of one species are fish. Multiple individuals of more than one species are fishes.
What is fish with out an eye. FSH
Lecture #14 Phylum Chordata: The vertebrate Phylum.
Fish. Classification Kingdom- Animalia Phylum- Chordata Sub Phylum- Vertebrata Classes- Agnatha, Chondrichthyes, Osteichthyes.
Phylum Chordata, Subphylum Vertebrata, Superclass Gnathostomata, Class Reptilia, Subclass Diapsida Order Testudines Superorder Lepidosauria Order Sphenodonta.
Invertebrates Octopus Video. Phylum Chordata C. Vertebrata Share four chordate characteristics + vertebral column (spine, backbone) Spine encloses and.
Chordates. A chordate (Phylum Chordata) is an animal that has, for at least some stage of its life, a dorsal, hollow nerve cord; a notochord; pharyngeal.
Fish Diversity: Osteichthyes, Part 1 Marine Vertebrates: Lecture 2.
Phylum Chordata. Characteristics of all chordates Dorsal, hollow nerve cord Post-anal tail Gill pouches at some time in the live Notochord The most complex.
Chordates (Chap 27). Kingdom: Animalia Phylum: Chordata (evolved ~535 mya) All chordates have the following features at some point in their life (may.
Fig I. I.Fishes – Overview Oldest group of vertebrates (530 mya) 27,000+ species (15,600+ marine spp.) Four major groups Agnatha (Jawless fishes)
Marine Fishes Marine Fishes Marine Biology Unit #4.
Phylum: Chordata Super class: Pisces (Fishes)
Section 1 Introduction to Vertebrates
Fish. Classification Kingdom- Animalia Phylum- Chordata Sub Phylum- Vertebrata Classes- Agnatha, Chondrichthyes, Osteichthyes.
Chapter 16 Fishes. 2 Fish  Fish/fishes  Characteristics: –gill breathing –ectothermic –aquatic –fins –scales on epidermis –larger the fish, faster it.
Phylum Chordata Subphylum Vertebrata Classes of FISH.
FISH (and chordates). What is a chordate? Members of the ANIMAL KINGDOM and the PHYLUM CHORDATA They have a dorsal, hollow nerve cord and a notocord.
Chapter 30 Chordates.
Chordates and Fish. What is a chordate? Members of the KINGDOM ANIMALIA and the PHYLUM CHORDATA They have a dorsal, hollow nerve cord and a notocord.
Please take notes!. Phylum Chordata Contains ALL fishes, amphibians, reptiles, birds, and mammals Contains ALL fishes, amphibians, reptiles, birds, and.
Fish (Subphylum Vertebrata). What is a Fish? They can be roughly defined as: Aquatic vertebrates. Possess scales. Possess fins. Maintain pharyngeal gills.
MARINE VERTEBRATES. Fish Classification Kingdom- Animalia Phylum- Chordata Sub Phylum- Vertebrata Classes- Agnatha, Chondrichthyes, Osteichthyes.
AP Biology Vertebrates  Evolution and Diversity.
Ιχθυολογία.
Fishes.
Ichthyology.
Hagfish Bottom dwellers in cold marine waters
Subphylum Vertebrata Phylum Chordata
Phylum Chordata Vertebrates:
Fish.
Phylum Chordata Fish.
30.1 Section Objectives – page 793
Fish.
CH 8 Marine Fishes.
Phylum Chordata A.K.A. Chordates.
Presentation transcript:

Subphylum Craniata (Vertebrata) Phylum Chordata Subphylum Craniata (Vertebrata)

Phylum Chordata, Subphylum Vertebrata (Craniata) Increase in brain size & sensory apparati Derivation of neural crest Enclosure of anterior neural tube in cartilage/bone (neural crest derivative) Subsequent derivation of cartilaginous vertebrae, bony jaws & cranium Ossification of skeleton & derivation of appendicular skeleton Two superclasses Agnatha – without jaws Gnathostomata – mouth with jaws

Cranium Formation

Vertebrae Fig. 23.p477

Pharyngeal Slits: From Feeding to Respiration Fig. 23.p478a

Elaboration of Sensory Systems Fig. 23.p478b

Vertebrate Cladistics Subphylum (group) superclass superclass Fig. 24.2 Vertebrate Cladistics

Phish Phylogeny Fig. 24.1

Class Myxini - Hagfish Fig. 24.3a

Hagfish Feeding Fig. 24.3d

Class Cephalaspidomorphi Lamprey Fig. 24.5

Ammocoete Larvae of Lamprey Filter feeders using pharyngeal slits Fig. 23.14

Lamprey

Lamprey Feeding Fig. 24.6

Lamprey Wound

The terrifying development from the terrifying pharyngeal pouches

Development of Jaws Fig. 23.17

Fig. 24.2

Class Chondrichthyes – Cartilaginous Fish Fig. 24.7

Class Chondrichthyes Subclass Elasmobranchii sharks & skates & rays Skates Fleshy tail, 2 dorsal fins, sometimes caudal fin Lay egg case (mermaid’s purse) Rays Narrow tail without fins, with spines

Class Chondrichthyes Subclass Elasmobranchii Caudal fin Fig. 24.8

Unique Sensory Structures Fig. 24.10

Chondrichthyes Anatomy Rostrum Fig. 24.11

Subclass Holocephali – Chimeras Fig. 24.14

Chondrichthyes Reproduction Internal fertilization Males have claspers between pelvic fins Reproductive modes Oviparous Fertilized egg is laid Ovoviviparous Egg develops within female and living young are born No placenta or placental structures Viviparous Embryos develop within female and living young are born Some placenta-like structures of maternal origin

Group Osteichthyes – bony fish Class Actinopterygii – ray-finned fish subclass Neopterygia subclass Chondrostei Class Sarcopterygii – fleshy-finned fish seahorse grouper flying fish coelacanth lungfish

Fish Scales Fig. 24.17

Types of Fish Scales Fig. 24.18

Fish Scales Allow Age Determination Fig. 24.37

Teleost Anatomy Fig. 24.15

General Body Form Fig. 24.Fig. 24

Fish Tales? Fig. 24.16

Primitive Bony Fish – Subclass Chondrostei Nonteleost bony fish Heterocercal tail Ganoid scales Lungs Fig. 24.19 Gar

Subclass Neopterygia – Teleost Swim bladder Two dorsal fins Homocercal tail Bass Tuna Salmon Walleye

Class Sarcopterygii – Lungfish & Coelocanth Fig. 24.22

Buoyancy Fig. 24.27

Respiration Fig. 24.28

Osmotic Regulation Fig. 24.29

Weird Fish Structures Fig. 24.31

Life Cycle of Salmonids Fig. 24.36b