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Botrylloides violaceous Orange, red, pink, or yellow sheet Solid color, very little tunic between zooids Large zooids, openings obvious
Botryllus schlosseri Star shapes arrangement of zooids Often black & white, but can be orange
Botrylloides v. Botryllus Orange morph of Botryllus rare, but, star-shape is the giveaway! Botrylloides can have looser zooid structure
Ciona intestinalis Red dot at end of intestine Clear solitary No color on siphons Yellow band or clear at tips of siphons
Ciona savingyi Spots of color at tips of siphons No red dot at end of intestine
Which is which?
Ascidiella aspersa Firm transparent test, snags detritus Tentacles in siphons Elongate oval
Molgula manhattansis Sea grape – small, round, like a peeled grape Ascidiella is elongate and opaque in comparison
Molgula citrina More color than M. manhattensis Potentially more fouled tunic
Dendrodoa carnea Small (<2cm), pink Squashed looking Small stubby round siphons
Halocynthia pyriformis Sea peach Larger (up to 10cm) Siphons almost square
Aplidium pallidum Sea pork - because it looks like a hunk of lard White & clear Occurs in chunks
Didemnum vexillum Think drippy sheet Pendulous lobes common Peeling away from rock Yellow-ish white
Didemnum vexillum Solid sheet, speckled with zooids & oscula Typically very thick
Didemnum albidum Solid white sheet VERY tight zooids Some oscula Thin & smooth
Diplosoma listerianum Thin diaphanous sheet Can be greyish and/or yellowish Like an odd plastic sheet Can have conspicuous oscula
Styela Clava Tunicate on a stalk! Large rough pleated body Curved siphon Can be found in the frozen section of Hmart
Boltenia ovifera Stalked tunicate Round zooid, like a lollipop Smooth Typically deep-water
Boltenia echinata Stalked tunicate Cactus-like with many spiky projections Short stalk Rare
The Stalked Ones
Bugula turrita Like a colony of Christmas trees
Bugula fulva Similar to B. neritina, but white/yellowish Distinctive forking branches
Bugula neritina Purple
Tricellaria inopinata Short dense tufts Heavily calcified – crunchy to the touch
Crisia eburnea Very fine Spindly, feathery Bugula is much more solid Not always very regular
Dendrobeania murrayana Small fans Thick lattice Like a lace tree
Electra pilosa Encrusting stars
Membranipora membranacea White crust Amorphous Fouling on algae Blocky zooids give delicate appearance
Lichenopora verrucaria White Often circular growth Thicker in center, like luchen On hard substrate Lichenopora
Schizoporella unicornis Bumpy thick crust Mix of orange and white Amorphous, on rocky substrate Zooids like open pores
Schizomavella auriculata Bumpy thick crust JUST orange/orange cream soda Amorphous, on rocky substrate
Cliona sp. Bright yellow Often boring into something rocky Large oscula
Hymedesmia sp. 1 Blue
Hymedesmia sp. 1 Orange Sheet
Halisarca dujardini SLIMY!!!
Leucosolenia sp. Many Tubes
Scypha sp. Small tubes Vase-like
Isodictya palmata Palmate Orange palms, not so branching Can have conspicuous oscula
Haliclona oculata Cream-Orange Branching fingers
Microciona prolifera MANY red fingers
Halichondria panicea MANY forms Often oscula obvious Texture of bread crumbs when broken apart
Abietinaria abietina Coarsely branching
Sertularia sp. Finer feathery branching
Ectopleura crocea Pink rosette tips, like flowers
Obelia spp. Fine and frilly Lace-like covering Often epiphytic
Cerianthus borealis In sandy areas Sand-tube around body Long distinct arms
Diadumene lineata Body has lines Often quite small
Metridium senile Body can be yellow or white Frilly plumulose arms Often very large
Urticina felina Multicolored banded arms Many colors possible
Modilus modiolus v. Mytilus edulis ModiolusMytlius Flat & Brown-redPointed & Blue-Grey
Crepidula fornicata Rounded Forms stacks Often fouled
Anomia sp. Irregular shell Encrusting & pressed on rock
3 Bumps 5 spines Picture by John Southern The green crabs distinguishing features are 5 spines, or teeth, on each side of its fan shaped shell and 3 rounded.
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Exploring Rocks Unit 4: Lesson 1 In what ways can rocks be described?
Design elements - Line. About line Design elements - Line Line can show: length direction a flowing sequence of smaller elements. Lines are usually made.
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Caudal Fin Dorsal Fin Operculum Pectoral Fin Anal Fin Pelvic Fin.
Elements of Art. Line – the path of a point moving through space Thick & Thin Organic Geometric SmoothCurved Continuous Broken.
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Jeopardy Line Shape/Form Value Color Texture Q $100 Q $200 Q $300 Q $400 Q $500 Q $100 Q $200 Q $300 Q $400 Q $500 Final Jeopardy Source:
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