Alcyna ocellata

A.Adams, 1860 · species

image placeholder — illustration coming later

Animalia/Mollusca/Gastropoda/Trochida/Trochidae/Alcyna

At a glance

Occurrence records141

Data sources7

Biological traits2

DNA specimens7

eDNA detections9

Sources7 archives

Databases and archives Alcyna ocellata's data was compiled from.

WikipediaWikimedia Foundation2 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility79 records↗

OBISOcean Biodiversity Information System62 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI9 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics7 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 · OBIS141 records

Environmental DNA1 datasets · 2 countries9 detections

DNA & barcodingBOLD7 specimens

01Narrative

Alcyna ocellata is a species of sea snail, a marine gastropod mollusk in the family Trochidae, the top snails.Rosenberg, G. (2012). Alcyna ocellata A. Adams, 1860. Accessed through: World Register of Marine Species at http://www.marinespecies.org/aphia.php?p=taxdetails&id=593740 on 2012-11-23Robertson, R. 1985. Archaeogastropod biology and the systematics of the genus Tricolia (Trochacea: Tricoliidae) in the Indo-West Pacific. Monographs of Marine Mollusca 3: 1-103.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesSeaLifeBase

Habitat & environment2

Habitat saltwateryes

Habitat zonebenthic

05DNA & barcoding7 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 Alcyna ocellata has left across the world's sequence archives.

At a glance

DNA specimens7

BINs2

Marker genes1

eDNA detections9

Countries2

The DNA barcodethe species' typical barcode, built from every sequenced specimen

COI-5P657 bp consensus7 specimens

ACGT

▸ drag or hover over the strip to read any position — letter and how much it varies

Violet ticks below the strip = positions where individuals differ; flat = the species' unchanging signature. 85% of positions are identical in every specimen.

Where individuals differ — all 98 variable positions, in barcode order

4Tvariable

6Avariable

39Cvariable

55Cvariable

57Tvariable

58Tvariable

60Avariable

66Avariable

69Tvariable

75Gvariable

78Cvariable

87Tvariable

90Cvariable

91Cvariable

93Gvariable

94Cvariable

105Tvariable

117Tvariable

132Avariable

135Cvariable

138Cvariable

141Cvariable

153Tvariable

159Tvariable

169Cvariable

180Tvariable

183Tvariable

196Tmostly conserved

201Tvariable

205Cvariable

213Tvariable

216Avariable

219Cvariable

225Cvariable

228Amostly conserved

234Tvariable

246Tvariable

252Avariable

258Tvariable

267Cvariable

273Avariable

276Cvariable

288Tvariable

294Cvariable

318Cvariable

321Avariable

327Avariable

336Tvariable

339Tvariable

358Cvariable

369Tvariable

396Tvariable

402Cvariable

408Avariable

414Avariable

417Avariable

427Cvariable

429Gvariable

432Tvariable

435Avariable

456Cvariable

462Tvariable

465Avariable

468Avariable

477Cvariable

483Gvariable

484Cvariable

489Avariable

493Cvariable

498Tvariable

499Tvariable

510Gvariable

513Avariable

516Tvariable

528Tvariable

532Cvariable

537Cvariable

540Cvariable

543Cvariable

546Gvariable

549Avariable

555Gvariable

556Cvariable

558Gvariable

561Cvariable

564Avariable

573Tvariable

576Gvariable

597Tvariable

612Cvariable

615Tvariable

618Cvariable

627Tvariable

630Gvariable

636Tvariable

642Gvariable

648Gvariable

652Cvariable

ACATTATATTTAATTTTTGGTATTTGATCCGGTTTAGTCGGAACCGCTTTAAGTCTTTTAATTCGAGCTGAGTTGGGCCAACCAGGTCCC …

Variant network

Each circle is a barcode variant; bigger = more specimens, colour = region. Lines join the most similar variants and the tick marks count the mutations between them — a tight cluster is one “dialect”, a long line a more divergent lineage. Click a circle to list its actual specimens.

Diversity (π)8.4%

Haplotypes5

BINs2

Most divergent pair14.5%

AsiaN.America

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 type141 records

Wild obs. + sensor11

Museum / vouchered130

Range

Area of Occupancy AOO224 km²

Depth

0–200 m sunlit2

200–1000 m twilight0

1–4 km midnight0

>4 km abyssal0

median 68.5 m · max 68.5 m · 2 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 accuracy56% within 1 km

≤100 m 2≤1 km 3>10 km 4

9 georeferenced · 2 without coordinates

Open the mapobservation + sensor11

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 accuracy86% within 1 km

≤1 km 6>10 km 1

7 georeferenced · 123 without coordinates

Open the institutions mapphysical evidence130

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 institutions5 of 12 geolocated

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

Institution	Specimens
Philadelphia, US	39
National Marine Biodiversity Institute of Korealocation not on record	8
Santa Barbara Museum of Natural Historylocation not on record	6
Florida Museum of Natural History- Zoology, Paleontology & Paleobotanylocation not on record	6
Toyama, JP	3
Denver, US	2
Tomioka, JP	2
Wakayama Prefectural Museum of Natural Historylocation not on record	1
Cambridge, US	1
Yokosuka City Museumlocation not on record	1
Natural History Museum Rotterdamlocation not on record	1
Chongqing Museumlocation not on record	1

12 institutions · 71 of 130 vouchered records shown

09Environmental DNA9 detections

Where the DNA of Alcyna ocellata 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 found9

Studies independent surveys1

Countries2

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

Where its DNA was found

0 of 9 detections have coordinates

Open the map2 countries0

outer reef slopepatch 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 median20.1 °C 7.40–23.6

Seasonal swing summer↔winter3.90 °C

Max temp (day)22.7 °C 9.60–25.0

Min temp (night)18.1 °C 3.00–22.4

Precipitation90.5 mm/mo 50.7–344

Air humidity64.9 % 59.7–71.8

Moisture balance263 mm/mo

Vapour deficit663 Pa 428–1,166

Wind speed5.40 m/s

Cloud cover33.6 % 33.5–44.6

CHELSA 1981–2010, ~9 km grid, at location & month of 7 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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