Ammotheidae

Ammotheidae is a family of sea spiders. It is the most diverse sea spider family, with 297 species described in more than 20 genera, of which only Nymphopsis and Sericosura have been found to be monophyletic. Despite this internal taxonomic uncertainty, studies of 18S rRNA support the monophyly of the family, and its subdivision into two subfamilies, Achelinae and Ammotheinae.

Achelia: Achelia adelpha, Achelia alaskensis, Achelia anomala, Achelia armata, Achelia aspera, Achelia assimilis, Achelia australiensis, Achelia barnardi, Achelia besnardi, Achelia bituberculata, Achelia borealis, Achelia boschi, Achelia brevicauda, Achelia brevirostris, Achelia bullosa, Achelia chelata, Achelia columnaris, Achelia communis, Achelia crurispinifera, Achelia cuneatis, Achelia curticauda, Achelia deodata, Achelia discoidea, Achelia dohrni, Achelia echinata, Achelia euryfrontalis, Achelia fernandeziana, Achelia gracilipes, Achelia gracilis, Achelia hariettae, Achelia hoekii, Achelia japonica, Achelia kiiensis, Achelia kurilensis, Achelia laevis, Achelia lagena, Achelia lagenaria, Achelia langi, Achelia latifrons, Achelia megova, Achelia mixta, Achelia nana, Achelia neotenica, Achelia orientalis, Achelia orpax, Achelia ovosetosa, Achelia parvula, Achelia pribilofensis, Achelia quadridentata, Achelia rostrata, Achelia salebrosa, Achelia sawayai, Achelia scabra, Achelia serratipalpis, Achelia setulosa, Achelia shepherdi, Achelia simplex, Achelia simplissima, Achelia socors, Achelia spatula, Achelia spicata, Achelia spinosa, Achelia spinoseta, Achelia sufflata, Achelia superba, Achelia tenuipes, Achelia transfuga, Achelia transfugoides, Achelia turba, Achelia vulgaris, Achelia watamu.

Acheliana: Acheliana tropicalis.

Ammothea: Ammothea acheliata, Ammothea adunca, Ammothea allopodes, Ammothea antipodensis, Ammothea armentis, Ammothea australiensis, Ammothea bentartica, Ammothea bicorniculata, Ammothea bigibbosa, Ammothea calmani, Ammothea carolinensis, Ammothea childi, Ammothea clausi, Ammothea depolaris, Ammothea dorsiplicata, Ammothea gigantea, Ammothea glacialis, Ammothea gordonae, Ammothea hedgpethi, Ammothea hesperidensis, Ammothea hilgendorfi, Ammothea insularis, Ammothea longispina, Ammothea magniceps, Ammothea makara, Ammothea meridionalis, Ammothea minor, Ammothea ovatoides, Ammothea profunda, Ammothea pseudospinosa, Ammothea sextarticulata, Ammothea spicula, Ammothea spinosa, Ammothea striata, Ammothea stylirostris, Ammothea tetrapora, Ammothea tibialis, Ammothea uru, Ammothea victoriae.

Ammothella: Ammothella alcalai, Ammothella appendiculata, Ammothella biunguiculata, Ammothella cymosa, Ammothella dawsoni, Ammothella elegantula, Ammothella exornata, Ammothella fistella, Ammothella gertrudae, Ammothella gibraltarensis, Ammothella hedgpethi, Ammothella heterosetosa, Ammothella indica, Ammothella longioculata, Ammothella longipes, Ammothella marcusi, Ammothella menziesi, Ammothella monotuberculata, Ammothella nimia, Ammothella omanensis, Ammothella ovalis, Ammothella pacifica, Ammothella panamensis, Ammothella paradisiaca, Ammothella pilosa, Ammothella prolixa, Ammothella rostrata, Ammothella rotundata, Ammothella rugulosa, Ammothella schmitti, Ammothella setacea, Ammothella setosa, Ammothella spinifera, Ammothella stauromata, Ammothella stocki, Ammothella symbia, Ammothella thetidis, Ammothella tippula, Ammothella tuberculata, Ammothella tubicen, Ammothella uniunguiculata, Ammothella vanninii.

Austroraptus: Austroraptus calcaratus, Austroraptus juvenilis, Austroraptus polaris, Austroraptus praecox, Austroraptus sicarius.

Cilunculus: Cilunculus acanthus, Cilunculus achelioides, Cilunculus alcicornis, Cilunculus antillensis, Cilunculus armatus, Cilunculus ateuchus, Cilunculus australiensis, Cilunculus battenae, Cilunculus bifidus, Cilunculus cactoides, Cilunculus compactus, Cilunculus crinitus, Cilunculus cymobostrychos, Cilunculus europaeus, Cilunculus frontosus, Cilunculus galeritus, Cilunculus gracilis, Cilunculus haradai, Cilunculus hirsutus, Cilunculus japonicus, Cilunculus kravcovi, Cilunculus mergus, Cilunculus misesetosus, Cilunculus pedatus, Cilunculus perspicax, Cilunculus profundus, Cilunculus roni, Cilunculus scaurus, Cilunculus sekiguchii, Cilunculus sewelli, Cilunculus spinicristus, Cilunculus tubicinis.

Ammothea hilgendorfi

(Ammothea hilgendorfi)

Hilgendorf's Sea Spider

Морський павук Хільгендорфа

It occurs in the north-eastern Atlantic, Pacific Ocean and Mediterranean, including Polynesia, Japan, Alaska and the USA, inhabiting tropical benthic habitats.

Ammothea ovatoides

(Ammothea ovatoides)

It occurs in the eastern Indian Ocean off Australia, inhabiting subtropical benthic habitats.

Ammothea glacialis

(Ammothea glacialis)

It occurs in Antarctic waters, inhabiting polar benthic habitats.

Ammothea clausi

(Ammothea clausi)

It occurs in Antarctic waters, inhabiting polar benthic habitats at depths of 3–860 m.

Ammothea carolinensis

(Ammothea carolinensis)

It occurs in Antarctic waters, inhabiting polar benthic habitats at depths of 3–670 m.

Ammothea bicorniculata

(Ammothea bicorniculata)

It occurs in the Antarctic Atlantic off Antarctica, inhabiting polar benthic habitats.

Ammothea australiensis

(Ammothea australiensis)

It occurs in the Indo-West Pacific off Australia, inhabiting subtropical benthic habitats.

Achelia alaskensis

(Achelia alaskensis)

Body length: <1 cm.

It is found distributed off the western side of North America in the Pacific and Arctic Ocean, areas such as Canada, Alaska, Oregon, Washington, and California, as well as in the Bering Sea. It lives in benthic environments at depths up to 180 m.

Achelia assimilis

(Achelia assimilis)

Body length: <0.1 cm.

It occurs in the Indo-Pacific and south-western Atlantic, from tropical to temperate waters at depths of 0–910 m.

Achelia dohrni

(Achelia dohrni)

It occurs in the south-western Pacific, around New Zealand and the Subantarctic Islands, at depths of 0–50 m.

Achelia echinata

(Achelia echinata)

Body length: 0.15–0.2 cm.

It occurs throughout the north-eastern Atlantic and the Mediterranean, inhabiting rocky shores from the mid-water zone to depths of 24 m.

Achelia gracilipes

(Achelia gracilipes)

It occurs in the east-central Pacific off the USA, inhabiting tropical benthic habitats.

Achelia gracilis

(Achelia gracilis)

It occurs in the west-central Atlantic, inhabiting subtropical benthic habitats.

Achelia langi

(Achelia langi)

It occurs in the eastern Atlantic and the Mediterranean, inhabiting subtropical coastal and shelf waters.

Achelia latifrons

(Achelia latifrons)

It occurs in the Pacific Ocean off Alaska, South Korea and the USA, inhabiting subtropical benthic habitats.

Achelia shepherdi

(Achelia shepherdi)

It occurs in Australian waters, inhabiting tropical benthic habitats.

Achelia simplissima

(Achelia simplissima)

It occurs in the eastern Pacific off Alaska and the USA, inhabiting benthic habitats in tropical waters.

Achelia spinosa

(Achelia spinosa)

It occurs in the north-eastern Pacific, north-western Atlantic and Arctic, inhabiting boreal benthic habitats.

Achelia transfugoides

(Achelia transfugoides)

It occurs in the eastern Indian Ocean off Australia, inhabiting tropical benthic habitats on the continental shelf.

Achelia vulgaris

(Achelia vulgaris)

It occurs in the north-eastern Atlantic and Mediterranean Sea, inhabiting subtropical benthic habitats from coastal waters to the upper slope.

Ammothella appendiculata

(Ammothella appendiculata)

It occurs in the Indo-Pacific, eastern central Atlantic and Mediterranean, including Melanesia and Polynesia, inhabiting tropical benthic habitats at depths of 0–65 m.

Ammothella biunguiculata

(Ammothella biunguiculata)

It occurs in the Indo-Pacific and Mediterranean, inhabiting tropical benthic habitats at a depth of 200 m.

Ammothella longioculata

(Ammothella longioculata)

It occurs in the Mediterranean, inhabiting subtropical benthic habitats from coastal waters to the continental shelf.

Ammothella longipes

(Ammothella longipes)

It occurs in the north-eastern Atlantic and Mediterranean, including waters off England, inhabiting temperate benthic habitats.

Ammothella tuberculata

(Ammothella tuberculata)

It occurs in the eastern Pacific off the USA, inhabiting tropical benthic habitats.

Ammotheidae Ammotheidae
Austrodecidae Austrodecidae
Sea Spiders Sea Spiders
Horseshoe Crabs Horseshoe Crabs
Arachnids Arachnids
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