Clitellata

E93459

annelid class class taxon

Clitellata is a class of segmented worms that includes earthworms and leeches, characterized by having a clitellum used in reproduction.

Predicate	Object
instanceOf	annelid class → class → taxon →
bodyCavity	coelomate →
bodyPlan	bilaterally symmetrical →
circulatorySystem	closed circulatory system →
clitellumFunction	secretes cocoon for eggs →
clitellumLocation	specialized glandular segments →
development	direct development →
ecologicalRole	nutrient cycling → organic matter decomposition → soil aeration →
excretorySystem	metanephridia →
feedingType	detritivore → parasite → predator →
fertilization	external fertilization in cocoon →
firstDescribedBy	Carl Gustav Carus →
firstDescribedInYear	1835 →
gasExchange	through body surface →
habitat	freshwater environments → marine environments → terrestrial environments →
hasCharacteristic	direct development without trochophore larva → few or no chaetae in many groups → hermaphroditic reproduction in most species → presence of clitellum → reduced or absent parapodia → segmented body →
includes	Acanthobdellida → Branchiobdellida → Hirudinea → Oligochaeta → earthworm → leech →
kingdom	Animalia →
larvalStage	no free-living larval stage →
nervousSystem	ventral nerve cord →
notableMember	Eisenia fetida → Hirudo medicinalis → Lumbricus terrestris →
phylum	Annelida →
reproduction	sexual reproduction →
reproductiveStructure	clitellum →
segmentationType	metameric segmentation →
usedIn	biomedical research → fishing bait →

Subject (surface form when different)	Predicate
Clitellata ("Lumbricus terrestris") → Clitellata ("Eisenia fetida") →	notableMember
Clitellata ("Acanthobdellida") →	includes
Annelida →	includesClass
Annelida ("Oligochaeta") →	includesSubclass