Classification
Within iNaturalist.org

All Names

  • Portuguese
    • Picnogonídeos
    • Aranhas-do-mar
  • Scientific Names
    • Pycnogonida
  • English
    • Sea Spiders
  • Russian
    • Морские пауки
    • Многоколенчатые
  • Belarusian
    • Марскія павукі
  • Spanish
    • Arañas de mar
  • Chinese (Traditional)
    • 海蛛綱(堅殖腺綱)
  • Japanese
    • ウミグモ綱

Extras

Taxonomic changes »

Taxon schemes »

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Creative Commons Flickr Photos Tagged "Pycnogonida."

Recent observations

Photos / Sounds

Square

What

Sea Spiders Class Pycnogonida

Observer

anudibranchmom

Date

September 15, 2016 12:43 PM PDT

Description

Two, both with eggs.

Photos / Sounds

Observer

dremsen

Date

August 17, 2016 12:49 PM EDT

Description

Collected in hydroids. Distinguished from Achelia spinosa through shape and width of legs at junction with body (smooth not spiny- narrow not wide gaps between leg) and short length of palps. Note - labels in diagram for chelifer and palps are reversed. Error in book.

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

emmarkg

Date

August 5, 2016 07:57 AM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

damontighe

Date

July 31, 2016 04:56 PM PDT

Photos / Sounds

Square

What

Sea Spiders Class Pycnogonida

Observer

damontighe

Date

July 31, 2016 04:48 PM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

dmontijo

Date

July 20, 2016 09:58 AM PDT

Photos / Sounds

What

Small Sea Spiders Genus Pycnogonum

Observer

tiwane

Date

July 25, 2016 12:27 PM PDT

Description

One of my campers handed this to me today, saying he'd found several. I put it in some water and voila, definite sea spider!

Photos / Sounds

Square

What

Bacopa Chaenostoma cordatum

Observer

pjd1

Date

July 17, 2016 12:43 PM NZST

Description

Naturalised on grassy bank under old orchard trees at back of an old villa. Herbarium specimen collected (this will be lodged in AK).

The most appropriate name for this plant now seems to be Chaenostoma cordatum
(Thunb.) Benth.

Photos / Sounds

What

Sea Spider Ammothella biunguiculata

Observer

ponkyjoe

Date

June 9, 2016 07:59 AM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

maractwin

Date

May 8, 2016 08:08 AM ADT

Photos / Sounds

Square

Observer

constance

Date

May 19, 2016 08:03 PM PDT

Photos / Sounds

What

Sea Spiders Class Pycnogonida

Observer

damontighe

Date

May 19, 2016 06:15 PM PDT
View all observations

Description from Wikipedia

Sea spiders, also called Pantopoda or pycnogonids, are marine arthropods of class Pycnogonida. They are cosmopolitan, found especially in the Mediterranean and Caribbean Seas, as well as the Arctic and Antarctic Oceans. There are over 1300 known species, ranging in size from 1 to 10 millimetres (0.039 to 0.39 in) to over 90 cm (35 in) in some deep water species. Most are toward the smaller end of this range in relatively shallow depths, however, they can grow to...

No range data available.
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