Wiwaxia

E779333

Wiwaxia is an extinct, soft-bodied marine organism from the Cambrian period, characterized by its scale- and spine-covered body and known from exceptionally preserved fossil deposits.

All labels observed (4)

Label Occurrences
Wiwaxia canonical 3
Hallucigenia 1
Opabinia 1

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf Cambrian invertebrate
extinct genus
fossil taxon
type species
belongsToBiota Burgess Shale biota
bodyCovering dorsal spines
overlapping sclerites
bodyFossilType soft-bodied organism
bodyPlan dorsoventrally flattened body
describedBy Charles Doolittle Walcott
diet detritivore
ecologicalRole benthic grazer
environment shallow marine
feedingMode grazing on microbial mats
fossilRecordQuality Lagerstätte preservation
fossilSite Burgess Shale
Chengjiang biota
Sirius Passet
geographicOccurrence British Columbia, Canada
linked to: British Columbia

Greenland
Yunnan, China
linked to: Yunnan Province
hasMorphologicalFeature bilaterally symmetrical body
probable feeding apparatus with tooth-rows
rows of scale-like sclerites
two longitudinal rows of large spines
ventral creeping surface
hasScleriteComposition organic material
hasTypeSpecies Wiwaxia corrugata
linked to: Wiwaxia
kingdom Animalia
lifestyle epibenthic
livedDuring Middle Cambrian
locomotion crawling on seafloor
namedAfter Mount Wiwaxy
paleoecologicalSignificance represents early diversification of lophotrochozoans
phylum incertae sedis
preservation exceptional soft-tissue preservation
researchTopic Cambrian explosion
early metazoan body plans
origin of molluscs
scientificDebate affinities with annelids
affinities with molluscs
stem-group lophotrochozoan hypothesis
scientificImportance key taxon in early animal evolution studies
size approximately 1–5 cm in length
symmetry bilateral symmetry
taxonomicStatus problematic fossil
temporalRange Cambrian period
linked to: Cambrian Period
yearDescribed 1911

How these facts were elicited

Referenced by (6)

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

Cambrian biota includesTaxon Opabinia
linked to: Wiwaxia
Cambrian biota includesTaxon Hallucigenia
linked to: Wiwaxia
Cambrian biota includesTaxon Wiwaxia
Burgess Shale containsFossilsOf Wiwaxia
Wiwaxia hasTypeSpecies Wiwaxia corrugata
linked to: Wiwaxia
Odontogriphus relatedTo Wiwaxia