Cnidaria - Paleontology
Cnidaria - Paleontology GEOLGY 317
Popular in Paleontology
verified elite notetaker
Popular in Geology
This 10 page Class Notes was uploaded by GreenOwl713 on Thursday August 6, 2015. The Class Notes belongs to GEOLGY 317 at University of Wisconsin - Whitewater taught by Rex Hanger in Summer 2015. Since its upload, it has received 58 views. For similar materials see Paleontology in Geology at University of Wisconsin - Whitewater.
Reviews for Cnidaria - Paleontology
Report this Material
What is Karma?
Karma is the currency of StudySoup.
You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!
Date Created: 08/06/15
1 Geology 317 Cnidaria 9 Read Chapters 12 amp 8 in text VB relation to EOD works here too 9 High water energy I Laminar VB lt01 Low domical VB 0105 0 Low water energy High domical VB 051 Extended domical gt1 9 Can be used for other colonial skeletons bryozoa corals sponges Phylum Cnidaria characters 1 1 9 Radial symmetry mouth coelenleron 9 Nematocysts stinging cells 9 Attached immobile polyps or freemoving medusae tentacles mouth 9 Precambrian Recent tentacle coelenteron mesenteries 9102014 9102014 l C Scyphozoa 9 The jellyfish 9 No hard parts mostly so very poor fossil record 9 PrecambrianRecent l SubClass Conulariida 9 CambrianTriassic I 1 a 4 l 9 Elongate pyramid form 9 Chitinophosphate skeleton 9 4fold symmetry 9 Attached juveniles free adults Conularids Radial and concentric ornament Flexible corners Internal septae possible calyx 1 se tum septum p dissepiment fossula tabulae O Rugosa line septum epitheca septal igal furrow 9 OrdovicianPermian 9 Calcite skeleton Q Solitary OR colonial 9 Septae inserted in groups of 4 Equal size septae 9 Common horn shape l l Order Tabulata I a 9 Always benth1c s1 39 39 1 1 W ep1faunal 15133 5 lb 1 14quot 9 Always colonial i 133 3 F 39t I all 9 Ordov1c1anPerm1an 3333 Cm Hastes Ch 39 C I39 9 Calc1te skeleton am or Syringopora Aum on 9 Many closely spaced 0 93quotP P99mquot P at 39 9 39 tabulae y 4 Cr 9 Septae absent or small I 7 quot l F avosites 9 SilurianDevonian 9 honeycomb coral 9102014 9102014 9 SilurianDevonian 9 chainlink coral UAulopora 9 SilurianDevonian 9 minihorn coral USyringopora 9 SilurianDevonian 9 Organpipe coral Order Scleractinia 63 9102014 Aragonite skeleton TriassicRecent V Colonial some solitary Septae in multiples of six Unequal sizes 7 No tabulaej Hermat ic reef builders Symbiotic algae Ahermatypic in deeper colder water lt a he Reefs through time i 0 Numerous Cenozoic ReiJJm of Modern Reefs organlsms Cretaceous Eiivalve Mounds 9 CoralAlgae Jurassic First Modern Reefs tOday Coralf algae ff Pe m aquot 9f Many Mounds E 3 D1 erent patterns All buildups are mounds through tlme Devonian Spectacular Stremateporoid reefs Squot a ReefEiuildup cramman A f Uncertainty Reef mounds 98 D Cambrian Q igs inhg fyg igg Proterozoic and mounds PERIODS BOHERMS MAJOR SKELETAL ELEMENTS T V Li39 f H TERTIARY 39 5 CORALS T 4 vi e 777 rudifsAls T r Eryozoa D 77 Wei 2 100 CRET 5 EUDAISTS icgraLs slromaloporoids K sponges j JURASSIC 4 CORALS stromaloporoids r w 39 TL a V7 ORALS stromalopormds 2quot 200 TR39ASSIC 39 39 3 Corhl ipjggef Z 7 quot 39SVbong S bi agg igiai al 83 m PERMIAN Lmsgqugitenesle lidrbryozoa FEEIE Lu lt PHYLLOID lubular loraminiiers 1 300 PENN ALamp A A Moms 5 gt br 929a I MISS Tnslraie br 9zoa W NT7 DEVONIAN Q o 7 STROMATOPOROIDS corals 5 400 SILURIAN 0 f quot T 39ORD Sfocdmsg 5 3E3 7 o 500 SPONGES skeletal ilgec LU r k o 7 u skeletal aigae ARCHAEDCYATHIDS 3 SKELETAL ALGAE m me soo lpnecma f me 5ceJmes Q0 33M Lquot occpw M 6r sm3Ult C3661 9 CGLCt39 L any CA Qg F magmal cme o ess a 3036 Mi NSquot 53 Czwwkos ow gawk ENVIRONMENT Wave Energy Sedimentation GROWTH FORM Delicate branching low high a 9 Thin dolncate platedike low low Globular bulbous 39 columnar moderate high Robust dendrold W branching modhigh moderate Hemispherical domal irregular massive modm39gh low a Encrus ng Intense low Tabular moderate low 39 Water energy 9 Sedimentation rate 39 Growth rate 9 All control Gro th 30rm quot GFII39 SNOOP TWIN m5 H v m Art39HEII AL quot7 sounuur39l 139 H39LAL I R CCLL MNGR SHE Il39r39 TS I39lII39EH BLENESS AHGH SUIBLIH ISAD39T A l Ei Rfllr 39vl SS CCNDROIC skeletal form shape margins u JLT GRAHCNIHG or 575 BRAKIJ NC l Hi E Carbonates 9 Grainstone Bioclastsupported No mud matrix 9 Packstone Bioclastsupported Some mud still present 9102014 1 Low E Carbonates 9 Wackestone Mudsupported gt10 bioclasts 9 Mudstone Mudsupported lt10 bioclasts J Reef Associated Rock Types BAFFLESTONE BINDSTONE FRAMESTONE Reefs in Cross Section 9102014 Anthozoan Diagnostic Taxonomic Characters 1 Welldeveloped septa andor tabulae and dissepiments 2 Presence of a hornshape or a honeycomb arrangement in colonial forms A septum it 9 2 194 tentacle I I dissepimeni mouth fossula I quot0 digestive cavity I iobulo growth d mesenlery line L quot septum septol growth line furrow epitheco B apical end Anthozoans Similar Groups and Ways to Distinguish Them 1 BRYOZOANS because they are colonial are sometimes confused with corals Bryozoans however are much smaller apertures about 1mm in diameter and possess no septa Bryozoans are also often twig or fan shaped Tabulate Diagnostic Taxonomic Characters 1 No septa or very small 2 No solitary horn shape 3 Well developed tabulae Favosiles Halysiles Honeycomb Coral Chain Coral Small hemispherical colonies I I t l e hone mbl ke sheets T 39 0 arg yco I Top View Interlocking of calyces chainlike rows of can 93 Syringopom Aulpom Organ Pipe Coral Many vertical tubes with a rough F irregular often ringed surface Grow as encrus mg l39 95 of Lateral connecting tubes present quotUmpe Shaped 39nd39v39dua s39 Scleractinian Diagnostic Taxonomic Characters 1 Well developed septa in multiples of six to distinguish them from Rugosa with multiples of four 2 Many have a white bleached look Scleractinian Rugose Tabulate Scleractinian Rugose Tabulate Scleractinian corals wrinkled surface Tryplasma v Silurian quot Dibunophyllum 5cm 39 Carboniferous septa radial partitions top view colonies I is r Isasiraea Funglastraea a Jurassic Jurassic top of aragonite skeleton on which sat the anemonelike soft parts when the coral was alive sent radial partitions Siphonodendron Silurian Carboniferous Tabulate corals reduced solitary individual 30m Montlivaltia Parasmilia Jurassic Cretaceous 39 39 6 cm HelloItes Silunan septa radial partitions Fa vosites missing or reduced colony composed of a few large individuals Thecosmilia Jurassic Halysites S unan Syringopora 7 cm Carboniferous
Are you sure you want to buy this material for
You're already Subscribed!
Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'