Alonella excisa

(Fischer, 1854) · species

image placeholder — illustration coming later

Animalia/Arthropoda/Branchiopoda/Diplostraca/Chydoridae/Alonella

At a glance

Occurrence records3 510

Data sources5

Biological traits2

DNA specimens38

eDNA detections37

Sources5 archives

Databases and archives Alonella excisa's data was compiled from.

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility3 510 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI37 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics38 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 & distributionGBIF3 510 records

Environmental DNA2 datasets · 5 countries37 detections

DNA & barcodingBOLD38 specimens

01Narrative

镰角锐额蚤（学名：）为盘肠蚤科锐额蚤属的动物。分布于世界各地以及中国大陆的遍布中国等地，属于广温性种类。其一般栖息于湖泊或池塘的水草丛中。

No narrative description available for this taxon yet.

02Traits & measurements

SourcesSeaLifeBase

Habitat & environment2

Habitat freshwateryes

Habitat zonepelagic

05DNA & barcoding38 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 Alonella excisa has left across the world's sequence archives.

At a glance

DNA specimens38

BINs8

Marker genes1

eDNA detections37

Countries5

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

COI-5P626 bp consensus27 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. 73% of positions are identical in every specimen.

Where individuals differ — all 169 variable positions, in barcode order

2Gmostly conserved

3Avariable

9Avariable

12Tmostly conserved

15Tvariable

24Avariable

27Tvariable

31Cvariable

37Cvariable

39Avariable

45Tmostly conserved

48Tvariable

51Avariable

55Cvariable

60Avariable

63Avariable

64Avariable

65Gvariable

66Tvariable

69Cvariable

78Tvariable

90Gvariable

91Avariable

103Avariable

111Tvariable

117Tvariable

126Tvariable

144Tvariable

147Avariable

150Tmostly conserved

153Tmostly conserved

162Avariable

168Cvariable

171Tvariable

174Tvariable

177Avariable

178Tvariable

180Amostly conserved

186Tmostly conserved

187Cvariable

189Avariable

192Avariable

193Tmostly conserved

195Avariable

198Gvariable

201Tvariable

204Tvariable

213Cvariable

216Cvariable

222Tvariable

228Tmostly conserved

231Tmostly conserved

232Tvariable

234Avariable

237Avariable

240Tmostly conserved

244Cvariable

246Gvariable

247Tvariable

249Avariable

255Avariable

258Tvariable

259Tvariable

261Tvariable

264Avariable

265Tmostly conserved

267Gmostly conserved

268Tvariable

270Gvariable

271Tvariable

273Amostly conserved

274Gvariable

276Tvariable

279Avariable

285Gvariable

288Avariable

291Avariable

294Tvariable

297Tvariable

303Tmostly conserved

306Avariable

309Tvariable

312Avariable

315Avariable

318Gvariable

321Cvariable

324Cvariable

333Avariable

336Gvariable

339Cvariable

345Tvariable

348Tmostly conserved

351Amostly conserved

354Tvariable

357Chighly variable

360Tvariable

363Avariable

366Tmostly conserved

375Cmostly conserved

378Tmostly conserved

381Tvariable

382Tmostly conserved

390Amostly conserved

393Avariable

396Tvariable

397Avariable

399Tvariable

402Tvariable

405Avariable

414Gvariable

417Tvariable

420Amostly conserved

423Tvariable

427Amostly conserved

432Tvariable

435Tmostly conserved

444Tvariable

450Tvariable

459Gvariable

462Gvariable

+49 more variable positions not shown

GGAATTTGAGCTGGTATAGTAGGAACTGCTCTGAGTCTATTAATTCGTGCAGAACTAGCACAAAGTGGCTCTGTTATTGGAGATGATCAG …

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)13.1%

Haplotypes15

BINs3

Most divergent pair19.2%

AsiaEurope

Closest relatives by DNA barcode

The species whose COI barcode is most similar to this one — a quick “who is this most like”. The percentage is how much the barcode differs; it approximates, but is not, the full evolutionary tree.

Moina weismannisame order16.9%

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 type3 510 records

Wild obs. + sensor2 853

Museum / vouchered654

Cultivated / captive1

Other2

Origin

Native153

Range

Area of Occupancy AOO5 280 km²

Wildobservation + sensor

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

Coordinate accuracy99% within 1 km

≤100 m 1 895≤1 km 45≤10 km 16>10 km 1

1 957 georeferenced · 896 without coordinates

Open the mapobservation + sensor2 853

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 accuracy96% within 1 km

≤100 m 406≤1 km 15≤10 km 17>10 km 1

439 georeferenced · 215 without coordinates

Open the institutions mapphysical evidence654

Cultivated / Captivenot free-living

A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.

Coordinate accuracy

no georeferenced coordinates · 1 records without

Open the mapnot free-living1

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 institutions8 of 17 geolocated

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

Institution	Specimens
NTNU-VMlocation not on record	248
Institute of Ecology of the Volga river basin of Russian Academy of Sciences \| IEVB RASlocation not on record	52
Museo civico La Terra e l'Uomo di Crocetta del Montellolocation not on record	31
Tapachula, MX	16
Brussels, BE	9
Museum für Naturkunde Berlin (Zoological Collections)location not on record	7
Princess Maha Chakri Sirindhorn Natural History Museum (PSU Museum, Prince of Songkla University, Thailand)location not on record	4
Tlalnepantla, MX	3
Victoria, CA	3
University of Oslo (UiO)location not on record	3
RBINS-Scientific Heritagelocation not on record	3
Sydney, AU	2
University of Guelph, Centre for Biodiversity Genomicslocation not on record	1
Washington, US	1
IB FRC Komi SC UB RASlocation not on record	1
South Kensington, GB	1
Frankfurt am Main	1

17 institutions · 386 of 654 vouchered records shown · 261 without an institution code

Cultivated / Captivenot free-living

A living individual in a botanical garden, zoo or nursery — cultivated or kept, not free-living.

09Environmental DNA37 detections

Where the DNA of Alonella excisa 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 found37

Studies independent surveys2

Countries5

Verifiable raw sequence linked1

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

Where its DNA was found

0 of 37 detections have coordinates

Open the map5 countries0

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 median4.80 °C -5.10–15.0

Seasonal swing summer↔winter29.1 °C

Max temp (day)9.50 °C -0.5–16.6

Min temp (night)1.00 °C -10.9–13.1

Precipitation75.6 mm/mo 43.1–285

Air humidity62.1 % 57.4–66.5

Moisture balance28.7 mm/mo -22.8–165

Vapour deficit378 Pa 237–684

Wind speed3.10 m/s 1.90–4.20

Cloud cover41.7 % 21.3–55.4

CHELSA 1981–2010, ~9 km grid, at location & month of 37 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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Alonella excisa

At a glance

Sources5 archives

Habitat & environment2

At a glance

Record type3 510 records

Origin

Range

Wildobservation + sensor

Museum / Voucheredphysical evidence

Cultivated / Captivenot free-living

Wildobservation + sensor

Holding institutions8 of 17 geolocated

Cultivated / Captivenot free-living

Signal

Where its DNA was found

How strong is each trace?

Modelled climatemodelled

Record type3 510 records