Ricinulei

E425570

Ricinulei are a small, obscure order of hooded, eyeless arachnids known for their cryptic habits and occurrence mainly in tropical leaf litter and caves.

All labels observed (2)

Label Occurrences
Ricinulei canonical 1
Клещ 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf order of arachnids
activityPattern primarily nocturnal
adultStageCharacteristic adults have four pairs of legs
appendages chelicerae
pedipalps
bodyColoration typically brown to reddish-brown
bodyDivision opisthosoma
prosoma
class Arachnida NERFINISHED
commonName hooded tickspiders
cucullusFunction hood-like structure that can cover the mouthparts
cuticle heavily sclerotized exoskeleton
development indirect with larval stage
diet small arthropods
distinguishingFeature absence of compound eyes
movable hood (cucullus) covering mouthparts
three-legged larval stage
feedingType predatory
fossilRecord known from Carboniferous fossils
known from Cretaceous amber
geographicDistribution Neotropics NERFINISHED
West Africa NERFINISHED
southern North America
habitat caves
rotting wood
soil and forest floor microhabitats
tropical leaf litter
hasCharacteristic cryptic habits
eyeless
hooded
obscure group
small body size
hasEyes absent in extant species
hasStructure cucullus
kingdom Animalia
larvalStageCharacteristic larva has only three pairs of legs
legPairs 4
locomotion walking on leaf litter and soil
matingBehavior male transfers spermatophore to female
phylum Arthropoda NERFINISHED
reproduction internal fertilization
researchStatus poorly studied compared to other arachnid orders
respiration tracheal system
scientificInterest important for understanding arachnid evolution
sensitivityToLight adapted to low-light environments
sizeRange approximately 5–10 millimetres in body length
speciesRichness contains relatively few described species
subphylum Chelicerata NERFINISHED
taxonRank order

How these facts were elicited

Referenced by (2)

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

Arachnida includesOrder Ricinulei
На дне ключевой персонаж Ricinulei
subject surface form: «На дне»
this entity surface form: Клещ