Gastropoda

E95493

Gastropoda is a large and diverse class of mollusks that includes snails and slugs, characterized by a muscular foot and often a coiled shell.


Statements (54)
Predicate Object
instanceOf class of molluscs
hasBodyPlan shell reduced or absent in many slugs
univalve shell in many species
hasCharacteristic asymmetrical body
distinct head region
mantle cavity
muscular foot
often coiled shell
radula for feeding
tentacles with sensory organs
torsion during development
hasCirculatorySystem open circulatory system
hasEconomicImportance agricultural pest in some species
food source for humans
source of shells for ornament and trade
hasFeedingType carnivorous
detritivorous
herbivorous
omnivorous
hasFossilRecordFrom Cambrian period
hasHabitat freshwater environments
marine environments
terrestrial environments
hasModernClade Caenogastropoda
Heterobranchia
Neritimorpha
Patellogastropoda
Vetigastropoda
hasNervousSystem ganglionated nervous system
hasReproduction egg-laying
external fertilization in some species
internal fertilization in many species
sexual reproduction
hasRespiration gills in aquatic species
lung-like pallial cavity in many terrestrial species
hasSubgroup Opisthobranchia (historical grouping)
Prosobranchia (historical grouping)
Pulmonata (historical grouping)
includes abalones
land snails
limpets
marine snails
nudibranchs
periwinkles
sea slugs
slugs
snails
kingdom Animalia
phylum Mollusca
playsEcologicalRole bioeroder of substrates
prey for many animals
primary consumer
superclass Conchifera
taxonRank class

Referenced by (3)
Subject (surface form when different) Predicate
Gastropoda ("Patellogastropoda")
hasModernClade
Gastropoda ("Pulmonata (historical grouping)")
hasSubgroup
Mollusca
includesClass

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