BORDER GIFBORDER GIF

LABORATORY X - ECHINODERMATA I

Read the following pages in Sherman & Sherman having to do with holothurians, ophiuroides andcrinoids: 274-299.

Class Holothuroidea


THE WHITE SEA GHERKIN EUPENTACTA QUINQUESEMITATHE ARMORED SEA CUCUMBER PSOLUS CHITINOIDESA SPECIMEN OF PARASTICHOPUS IN A DIAPAUSE PHASE WHILE UNDERGOING SEASONAL VISCERAL ATROPHY SEASONAL VISCERAL ATROPHY INDUCING EVISCERATION IN PARASTICHOPUS PERIANAL DUCTS OF PARASTICHOPUS PARASTICHOPUS WHICH HAS GROWN OUT ON AN OYSTER STRING STATE OF THE VISCERA IN SEASONAL VISCERAL ATROPHY A SPECIMEN OF PARASTICHOPUS PARVIMENSUS IN FEEDING POSTURE STICKY THREADS SECRETED BY THE DUCTS OF CUVIER; USED FOR DEFENCE BY SOME SPECIES OF HOLOTHURIATHE BURROWING SEA CUCUMBER THYONETHE APODEAN SEA CUCUMBER LEPTOSYNAPTA
A LARGE SNAPTID SEA CUCUMBER OPHIODESOMA
ANCHOR OSSICLES USED BY OPHIODESOMA FOR GRIPPING SUBSTRATUM AND SELF-SUTURING
FEEDING BEHAVIOUR OF PARASTICHOPUS
A DEEP-SEA BENTHIC SEA CUCUMBER

Class Ophiuroidea


A COLOURFUL BRITTLE STARTHE BASKET STARCOLOURFUL BRITTLE STAR

Class Crinoidea
A TROPICAL COMATULID CRINOIDTHE CRINOID FLOROROMETRA

Living Materials:

Parastichopus - the California sea cucumber (Dissection).

Psolus - the armored sea cucumber.

Florometra - deep water crinoid (Observe in tank).

Misc. ophiuroides (See demonstration).

Preserved Materials:

Cucumaria (Dissection).

Various prepared slides on Echinoderm material: See on bench.

Demonstration Material:

Parastichopus coelomic cells.

Ossicles from Parastichopus and available sea cucumber dermis.

Various preserved and dry museum preparations.

Exercises: (will vary somewhat depending upon delivery of live materials).

See listing on black board (substitute Parastichopus for Cucumaria & Thyone for theexcercises).

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DR. PETER V. FANKBONER
DEPARTMENT OF BIOLOGICAL SCIENCES
SIMON FRASER UNIVERSITY
BURNABY, BRITISH COLUMBIA
CANADA V5A 1S6