Vetigastropoda

E428246

Vetigastropoda is a major clade of mostly marine gastropod mollusks that includes many primitive sea snails characterized by often nacreous shells and distinctive anatomical features.

All labels observed (2)

Label Occurrences
Vetigastropoda canonical 3
Archaeogastropoda (in older systems) 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf clade ⓘ
gastropod clade ⓘ
taxon ⓘ
characterizedBy nacreous shells ⓘ
primitive anatomical features ⓘ
slit or hole in shell in many species ⓘ
class Gastropoda ⓘ
considered primitive gastropod lineage ⓘ
domain Eukaryota ⓘ
feedingType algal grazers ⓘ
mostly grazers ⓘ
hasCirculatorySystem open circulatory system ⓘ
hasDiversity many extant families ⓘ
hasFossilRecord Paleozoic to Recent ⓘ
hasMantleCavity anterior or lateral in many species ⓘ
hasNervousSystem ganglionic nervous system ⓘ
hasSensoryOrgan osphradium in mantle cavity ⓘ
hasSymmetry bilateral symmetry (secondarily modified) ⓘ
hasTrait archaeogastropod-like morphology ⓘ
bipectinate ctenidia in many species ⓘ
often nacreous inner shell layer ⓘ
rhipidoglossan radula in many species ⓘ
higherClassification clade Vetigastropoda within Gastropoda ⓘ
includes abalones ⓘ
keyhole limpets ⓘ
pleurotomarioid snails ⓘ
sea snails ⓘ
slit snails ⓘ
top snails ⓘ
isMostly marine ⓘ
kingdom Animalia ⓘ
larvalStage trochophore ⓘ
veliger ⓘ
partOf clade Heterobranchia+Caenogastropoda+Vetigastropoda+others (Gastropoda) ⓘ
phylum Mollusca ⓘ
recognizedBy molecular phylogenetics ⓘ
morphological characters ⓘ
reproduction mostly external fertilization ⓘ
shellComposition aragonite ⓘ
shellForm sometimes limpet-like ⓘ
usually coiled ⓘ
shellMicrostructure nacreous ⓘ
subclass Vetigastropoda ⓘ
taxonRank clade ⓘ
typicalHabitat coral reefs ⓘ
deep-sea habitats ⓘ
marine benthic environments ⓘ
rocky substrates ⓘ

How these facts were elicited

Referenced by (4)

Full triples — surface form annotated when it differs from this entity's canonical label.

Gastropoda → hasModernClade → Vetigastropoda ⓘ
Neritimorpha → historicallyClassifiedAs → Archaeogastropoda (in older systems) ⓘ
linked to: Vetigastropoda
Heterobranchia → contrastedWith → Vetigastropoda ⓘ
Margarites → subclass → Vetigastropoda ⓘ