Protists (BIO 106)

Supergroup Excavata

“Excavated” geeding grooves, single cell, asexual reproduction

Clade Parabasilids

Excavata, live inside animals

Clade Diplomonads

Excavata, 2 nuclei and 8 flagella, many parasites

Clade Eugleozoans

Excavata, predatory heterotrophs, photosynthetic autotrophs, parasites, rod with a spiral or crystalline structure inside flagella

Supergroup Stramenopiles (SAR)

Distinctive hallow “hairs” on flagella at some point during life cycle

Clade Diatoms

Stramenopiles, glass cell walls made of silica, photosynthetic plan ton

Clade Brown Algae

Stramenopiles, photosynthetic, multicellular, sessile, contains brown pigment, alternation of generations

Supergroup Alveolates (SAR)

Single celled, possess alveoli under plasma membranes (structural support)

Clade Dinoflagellates

Alveolates, photosynthetic, coral endosymbionts, two perpendicular flagella

Clade Apicomplexa

Alveolates, intracellular parasites

Clade Ciliates

Alveolates, covered in cilia, posses both macro and micronucleus

Supergroup Rhizarians (SAR)

Lack cell walls, long slender pseudopodia

Clade Forams

Rhizarians, elaborate shells with holes for pseudopodia, shell forms limestone deposits

Supergroup Archaeplastida

Chloroplasts with double membranes

Clade Red Algae

Archaeplastida, large amounts of red pigment, becomes encrusted with calcium carbonate on coral reefs

Clade Green Algae

Archaeplastida, ancestor of land plants, contain chlorophyll, unicellular, colonial, multicellular, freshwater or marine

Supergroup Unikonta

Lack cell walls

Group Amoebozoans (Unikonta)

Lack cell walls, have pseudopodia

Clade Tubulinids

Unikonta, move by amoebic movement, engulf food (Amoebozoans)

Clade Slime Molds

Unikonta, decomposersr, one huge cell with many nuclei (Amoebozoans)

Group Opisthokonts (Unikonta)

Reproductive cells have single flagellum at base

Clade Choanoflagellates

Unikonta, unicellular and colonial flagellates (Opisthokonts)