Placetron wosnessenskii

Schalfeew, 1892 · species

image placeholder — illustration coming later

Animalia/Arthropoda/Malacostraca/Decapoda/Hapalogastridae/Placetron

At a glance

Occurrence records353

Data sources7

Biological traits2

DNA specimens5

eDNA detections5

Sources7 archives

Databases and archives Placetron wosnessenskii's data was compiled from.

WikipediaWikimedia Foundation3 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility202 records↗

OBISOcean Biodiversity Information System151 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI5 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics5 specimens↗

Open Tree of LifeOpenTreephylogeny backbone↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements1 literature sources2 traits

Occurrence & distributionGBIF · OBIS353 records

Environmental DNA1 datasets · 2 countries5 detections

DNA & barcodingBOLD5 specimens

01Narrative

Placetron wosnessenskii, common name the scaled crab, is a species of king crab found in most waters off North America's west coast. It is the only species in the genus Placetron.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesSeaLifeBase

Habitat & environment2

Habitat saltwateryes

Habitat zonebenthic

05DNA & barcoding5 specimens

A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Placetron wosnessenskii has left across the world's sequence archives.

At a glance

DNA specimens5

BINs1

Marker genes1

eDNA detections5

Countries2

Marker genes sequenced

★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.

★COI-5P

animal barcode

08Occurrence & distribution

Record type353 records

Wild obs. + sensor268

Museum / vouchered84

Other1

Range

Area of Occupancy AOO720 km²

Depth

0–200 m sunlit18

200–1000 m twilight1

1–4 km midnight0

>4 km abyssal0

median 76 m · max 201 m · 19 records with depth

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy20% within 1 km

≤100 m 24≤1 km 29≤10 km 2>10 km 204

259 georeferenced · 9 without coordinates

Open the mapobservation + sensor268

Museum / Voucheredphysical evidence

Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.

Coordinate accuracy0% within 1 km

≤10 km 5>10 km 4

9 georeferenced · 75 without coordinates

Open the institutions mapphysical evidence84

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Holding institutions4 of 8 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
CASlocation not on record	17
Victoria, CA	12
Florida Museum of Natural History- Zoology, Paleontology & Paleobotanylocation not on record	9
Edmonton, CA	7
Washington, US	6
Santa Barbara Museum of Natural Historylocation not on record	3
Cambridge, US	1
Museo civico La Terra e l'Uomo di Crocetta del Montellolocation not on record	1

8 institutions · 56 of 84 vouchered records shown

09Environmental DNA5 detections

Where the DNA of Placetron wosnessenskii was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.

Signal

Detections DNA found5

Studies independent surveys1

Countries2

Signal confidence: weakweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 5 detections have coordinates

Open the map2 countries0

rocky reef

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

Modelled climatemodelled

−15°Ctemperature across detection sites+40°C

Temperature median9.70 °C 8.40–10.2

Seasonal swing summer↔winter7.80 °C

Max temp (day)10.2 °C 9.10–12.9

Min temp (night)7.90 °C 6.90–9.20

Precipitation80.8 mm/mo 71.0–131

Air humidity75.8 % 63.3–76.4

Vapour deficit289 Pa 267–445

Cloud cover70.0 % 43.2–70.8

CHELSA 1981–2010, ~9 km grid, at location & month of 5 detection points · median with p10–p90 · reflects where sampling happened, not only the true niche

How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.

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