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37 Cards in this Set
- Front
- Back
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First |
To form Nucleus |
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Geologic range |
Precambrian to Recent |
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Phylum Chlorophyle |
Green algae |
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Phylum Charophyle |
Multicellular green algae |
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oogonia |
Female reproductive structure |
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Phylum Chrysophyle |
Golden algae, planktonic, posses flagella, autotrophic. |
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Diatoms (phylum Baccilariophyta) |
Plant, silica |
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Diatoms impt hard part |
Frustule - exoskeleton |
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Diatoms types - centrales |
Radial, dominates marine |
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Diatoms types - pennales |
Bilateral symmetry Dominates freshwater |
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Diatoms Geol range |
Jurassic to Recent |
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Coccolithophores (phylum chrysophyta) |
Plant, CaCO3 Golden brown algae |
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Coccolith |
Individual elements of the whole exoskeleton Calcareous plates |
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Coccosphere |
Test itself Multi-layer |
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Coccolithophores Geol range |
Triassic to Recent |
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Discoasters Coccolithophores |
Star-shaped calcite plate |
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Rhabdoliths Lopadoliths Braarudosphaera Calciosolenia |
Cylindrical Club Pentagonal Rhombohedral |
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Holococcoliths |
All crystals are identical in shape and size |
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Heterococcoliths |
Crystals differ in size and shape |
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Haptonema |
Coiled flagellum-like structure found between 2 flagella |
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Radiolarians (phylum Actinopod Protozoan) |
Animal, silica Radial symmetry |
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Radiolarians geol range |
Early Cambrian to Recent |
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Radiolarian habitat |
Pelagic |
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Scleracoma |
Spiny perforated shells for buoyancy |
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Axopia |
Traps food |
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Radiolarian ooze |
Skeletal remains of radiolarians that cover ocean bottom |
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Spumellarians (Polycystine radiolarians) |
Most primitive Radial symmetry, spheroidal |
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Nassrellarians ( Polycystine radiolarians) |
Helmet shape Heteropolar central capsule Solitary, simple spicules |
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Foraminifera (Reticulate protozoan phylum) |
Animal, CaCO3 Foramini - bearing Fera - openings Forams |
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Foraminifera Geol range |
Ordovician to Recent |
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Microspheric form |
Small proloculus, large test, large # of chambers Less common Asexual |
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Megalospheric form |
Large proloculus, small test Sexual |
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Forams habitat |
Benthic and planktonic |
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Factors affecting distribution |
Temp Salinity Nutrients and geographic variation in abundance Water circulation and depth |
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Endosymbiont theory |
Monerans -> protista |
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Pt extinction |
Trilobite's Rugose Fusulinid Tabulate |
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Fusulinid Triticites |
LBF Cambria no Permian ? |
