PPT-Gastropods

By Bryana Jacob Marley and Q Gastropoda Six Groups Neritimophia Patellegastropoda Vetigastropoda Cocculiniformia Caenogastropoda Heterobranchia Habitat Marine Most have single coiled shell. Central and Southern Utah GEOLOGICAL SURVEY PROFESSIONAL PAPER 503-D Marine Jurassic Gastropods, Central and Southern Utah By NORMAN F. SOHL CONTRIBUTIONS TO PALEONTOLOGY GEOLOGICAL SURVEY check out “outline version 3.0.pdf”. Return reviews to . reviewees. (use track changes and “comments) by . 20 Sep . – send also to Lee Hsiang. Revised version to Lee Hsiang by . 27 Sep. Writing assignment (. Largest class of mollusks. Radula. . Rasping tongue. Pests . Crop damage. Some carry diseases - flukes. Some damage ships and docks. Terrestrial Snails & Slugs. Water Snails. Queen Conch. Abalone shell. Family/Common Name Code SHELL FISHES MOLLUSCS GASTROPODS Dentalium Dentaliidae 4500 D . elephantinum Elephant Tusk Shell 4501 D . javanum 4502 D. aprinum 4503 D. tomlini 4504 D. mannarense 450A D. e Tough Softies!. Kingdom: . Animalia. Phylum: . Mollusca. . (Mollusks). Class: . Bivalvia. . (Bivalves). Class: . Cephalopoda. . (Cephalopods) . Class: . Gastroboda. . (Gastropods). Mollusca. is the second most diverse (second most number of species) phylum in the animal kingdom!. Subject. -Zoology. Chapter. -. Phylum . Mollusca. Phylum Mollusca. Phylum Mollusca. Protostomes. Lophotrochozoan group . Eucoelomates (coelomates). Tridacna squamosa. Tridacna gigas. Phylum Mollusca. PHYLUM. Deanne L. de . Asis. Jessica . Consad. KINGDOM. MOLLUSCA. introduction. content. conclusion. Evolution. Definition. Life History and Ecology. Taxonomy. Morphology. Relations with Humans. Diversity. Mollusks. Characteristics of Mollusks. These are soft-bodied invertebrates, have bilateral symmetry, and usually 1 or 2 shells. . Most mollusks live in water, but a few live on land.. Examples are: snails, clams, and squid. . Characteristics of Mollusks. Mollusks are invertebrates with soft, . unsegmented. bodies that are often protected by a hard outer shell.. They also have a thin layer of tissue called a . mantle. that covers its internal organs.. Mollusca. The . Chitons. , Gastropods, Bivalves and Cephalopods. The . molluscs. are a diverse group of soft bodied invertebrates. Some varieties of . molluscs. produce an external shell (“test” or “valve”)made of calcium carbonate. The term . m. ollusc. . means “soft.” A . mollusc . is a diverse animal and is a member of the phylum Mollusca group. Around eighty five thousand species of molluscs have been recognized. Molluscs reproduce sexually. Slugs and snails mate to fertilize eggs. Aquatic molluscs lay eggs that hatch into small free-swimming larvae. Many molluscs have hard external shells which they use for protection. Molluscs range in size and are usually found in marine habitats, but a few . 2019 May Edition n J.Bio.Innov 8 ( 3 ), pp: 3 1 9 - 3 29 , 2019 |ISSN 2277 - 8330 (Electronic) Flores et al., MARINE GASTROPODS AND BIVALVES OF BIRI, NORTHERN SAMAR Carla U. Norcio 1 and Abel Al Presented . by. Dr. . R. R. . Gawande. Associate. Professor. Department of Geology. Deogiri . College, Aurangabad. . . Palaeontology. = . Palaios. - . Ancient,ontos. -life, Logy-Study. (.