Holocephali

kingdom Animalia > phylum Chordata > subphylum Vertebrata > infraphylum Gnathostomata > class Holocephali

RankClass
Statusaccepted
Aphia IDurn:lsid:marinespecies.org:taxname:10196
NCBI ID7863
Common names helhuvudfiskar, 全頭
Environments marine, brackish, terrestrial

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Child taxa

Order Chimaeriformes

Statistics

Occurrence records 179,709
Species level 176,556
Absence records 2,761
Species 48
Taxa 57
Datasets 174
Time range 1865 - 2023

Data quality

Dropped records

Dropped records 1,996
Not marine 0
Marine unsure 0
No coordinates 1,993
Zero coordinates 3

Taxonomic issues

Marine unsure 0
No accepted name available 0

Missing and invalid fields

Field Missing Invalid
coordinateUncertaintyInMeters 140,848 2,570
decimalLatitude 1,619 322
decimalLongitude 1,620 330
eventDate 3,957 0
maximumDepthInMeters 59,221 7
minimumDepthInMeters 63,884 0
occurrenceStatus 14,680 0
scientificNameID 1,510 1

Spatial issues

Records on land 758
More than 20 km from shore 52
Depth exceeds bathymetric depth 5,973

Distribution

Records

Environmental conditions

Top datasets