Sea spider - Wikipedia
网页Sea spiders are marine arthropods of the order Pantopoda [1] (lit. ‘all feet’ [2]), belonging to the class Pycnogonida, [3] hence they are also called pycnogonids (/ p ɪ k ˈ n ɒ ɡ ə n ə d z /; [4] named after Pycnogonum, the type genus; [5] with the suffix -id). They are cosmopolitan, found in oceans around the world.
Sea spider | Animals | Monterey Bay Aquarium
网页Anatomy. A sea spider has a head with a long tubular mouthpart (called a proboscis), several simple eyes, and three to four sets of appendages including a pair of claws and a pair of ovigers which are used for grooming and egg-carrying. The sea spider’s defining characteristic is its sets of long, multi-jointed legs.
Sea spider | Marine, Predators, Microscopic | Britannica
网页sea spider, any of the spiderlike marine animals comprising the class Pycnogonida (also called Pantopoda) of the phylum Arthropoda. Sea spiders walk about on the ocean bottom on their slender legs or crawl among plants and animals; some may tread water.
Exploring the Fascinating World of Sea Spiders - Wild Explained
网页2023年9月4日 · Beneath their delicate exoskeleton, sea spiders have a complex anatomy specialized for their marine lifestyle. Understanding their internal structure provides insights into their remarkable survival strategies.
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AAS - Arachnology - Sea Spiders Pycnogonida
网页The Pycnogonida (Gr. pyknos = crowded + gony = knee), commonly named sea spiders, are a distinct group of marine arthropods of uncertain affinities, frequently linked to the Chelicerata (see review in Dunlop & Arango 2005), but quite controversial due to their unique and very conspicuous characters including an external proboscis, a ventral ...
Introduction to the Pycnogonida - University of California …
网页Pycnogonids, or "sea spiders", are among the most bizarre-looking arthropods. Another name sometimes used for them, Pantopoda, means "all legs" and describes them perfectly. Pycnogonids have extremely reduced bodies in which the abdomen has almost disappeared, while the legs are long and clawed.
Sea Spiders (Pycnogonida) - SpringerLink
网页The Pycnogonida (Gr. pyknos, thick, dense + Gr. gony, knee) are a class of small, primarily benthic marine arthropods often called sea spiders because they superficially resemble the true, terrestrial spiders. Like true spiders, pycnogonids possess an anterior pair of chelicerae followed by a pair of pedipalps and four pairs of long, slender legs.
Sea Spiders 101: The Odd Looking World Of Class Pycnogonida
网页2020年5月29日 · Sea Spider Anatomy. The typical pycnogonid looks like an emaciated (under fed) spider, walking backwards – which is why they are called Sea Spiders. Their body is greatly reduced until it has become little more than a …
Pycnogonids: Current Biology - Cell Press
网页2010年7月27日 · What are pycnogonids? Also known as ‘sea spiders’, they are bizarre-looking marine arthropods whose name means ‘dense-knees’. Most species have very long, thin legs and extremely slender bodies — essentially a combination of slightly distended leg-bearing segments (Figure 1).
ADW: Pycnogonida: INFORMATION
网页Most are small, but a few deep-sea forms reach up to 70 cm diameter across the legs. They feed by sucking juices from soft-bodied invertebrates through a long proboscis. Pycnogonids vaguely resemble spiders, with small bodies and relatively long, hinged legs.