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  • 1
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    In:  Beaufortia vol. 44 no. 3, pp. 17-77
    Publication Date: 2024-01-12
    Description: Seventy-six species of Pycnogonida, and some unidentifiable forms, belonging to 25 genera in all 8 families, of which 13 species are new to science, are recorded from the Indo-West Pacific region. New species are described in the genera Ascorhynchus, Ammothella, Achelia, Pantopipetta, Nymphon, Callipallene, Phoxichilidium, Anoplodactyhis, and Pycnogonum. A phylogenetic hierarchy of the families of extant Pycnogonida is presented.
    Keywords: Pycnogonida ; Indo-West Pacific ; new species ; phylogeny
    Repository Name: National Museum of Natural History, Netherlands
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  • 2
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    In:  Beaufortia vol. 21 no. 279, pp. 91-97
    Publication Date: 2024-01-12
    Description: Records of 10 species of shallow water Pycnogonida from Western Australia, Victoria, Tasmania, and New South Wales, including Achelia shepherdi n. sp., Parapallene avida Stock, 1973 (\xe2\x99\x80 new to science), and Anoplodactylus pulcher Carpenter, 1907 (new to Australia).
    Repository Name: National Museum of Natural History, Netherlands
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  • 3
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    In:  Bijdragen tot de dierkunde vol. 62 no. 1, pp. 21-36
    Publication Date: 2024-01-12
    Description: Three species of Amphipoda are recorded from interstices of a marine beach on the island of Santiago, Cape Verde Archipelago: Cabogidiella littoralis n. gen., n. sp. (Bogidiellidae), Psammogammarus spinosus n. sp. (Melitidae), and Idunella sketi Karaman, 1980 (Liljeborgiidae). The latter, widely distributed species (West Indies, Canary Islands), is new to the Cape Verde Islands. Furthermore, an isopod is described from the same locality, Caecostenetroides mixtum n. sp. (Gnathostenetroididae).
    Keywords: Amphipoda ; Isopoda ; interstitial ; Cape Verde Islands
    Repository Name: National Museum of Natural History, Netherlands
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  • 4
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    In:  Bijdragen tot de dierkunde vol. 58 no. 1, pp. 47-78
    Publication Date: 2024-01-12
    Description: Pseudoniphargus was known from inland stygohabitats in the Iberian peninsula, the Azores, Madeira, N.W. Africa, and Bermuda, but not from the Canary Islands. Systematic sampling in six of the seven larger islands of the latter archipelago has revealed the presence of the genus in Tenerife (4 species), La Palma (2 species), La Gomera (1 species), and El Hierro (1 species). No Pseudoniphargus has been found in Lanzarote and Fuerteventura; Gran Canaria has not been sampled systematically.
    Repository Name: National Museum of Natural History, Netherlands
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  • 5
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    In:  Bijdragen tot de dierkunde vol. 50 no. 1, pp. 105-144
    Publication Date: 2024-01-12
    Description: The genus Pseudoniphargus has long been considered monospecific. Its unique species, Ps. africanus, was supposed to occur on both sides of the Mediterranean, on the Atlantic side of the Iberian peninsula, on the Azores, and on Madeira, in localities ranging from the sea shore to more than 1000 m of altitude, and covering almost the entire natural salinity range (0-36\xe2\x80\xb0).\nA taxonomie revision revealed that at least nine named species and several unnamed forms (of which insufficient material is available) hide under the name Ps. africanus, each with a narrow ecological and geographical range.\nThe evolutionary scenario of the members of the genus is discussed at some length: they are presumably of marine origin, and got adapted to conditions of continental waters during various marine regressions in the Eocene and Oligoc\xc3\xa8ne, but notably in the Miocene.
    Repository Name: National Museum of Natural History, Netherlands
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  • 6
    Publication Date: 2024-01-12
    Description: First record of iridovirus infections of terrestrial isopods (Armadillidium vulgare and Porcellio scaber) in Europe (The Netherlands). Infested specimens can be detected by their bright blue color.
    Repository Name: National Museum of Natural History, Netherlands
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  • 7
    Publication Date: 2024-01-12
    Description: Area-species graphs for stygobiont Crustacea Malacostraca of seven islands in the southern Caribbean have been compared. It appears that the \xe2\x80\x9cconstants\xe2\x80\x9d C and z of these graphs are influenced by the geological time elapsed since the island\xe2\x80\x99s emergence. In older islands the values for C and z are higher than in younger islands. The values for z of younger and older islands are much higher (0.79-0.97) than usually obtained in literature for terrestrial animals (0.20-0.40). This may be explained by the very limited dispersal faculties of K-strategists, such as stygobiont Malacostraca.
    Repository Name: National Museum of Natural History, Netherlands
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  • 8
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    In:  Bijdragen tot de dierkunde vol. 42 no. 1, pp. 91-91
    Publication Date: 2024-01-12
    Description: In my recent revision of the Sarothrogammarus-group (Bijdr. Dierk., 41: 94\xe2\x80\x94129, 1971), I consistently used the spelling Sarathrogammarus. Professor S. Ruffo, of Verona, kindly pointed out to me that the original spelling of the name is Sarothrogammarus (see Martynov, 1935, Trav. Inst. zool. Acad. Sei. URSS. 2: 484\xe2\x80\x94506). Though the etymology of the word is not very clear (perhaps from \xcf\x83\xce\xb1\xcf\x81\xcf\x89 = to brush, to clean), it is evident that there are no good grounds for the spelling Sarathrogammarus, as used by me.
    Repository Name: National Museum of Natural History, Netherlands
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  • 9
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    In:  Bijdragen tot de dierkunde vol. 38 no. 1, pp. 85-90
    Publication Date: 2024-01-12
    Description: Misshapen spines in sea-urchins of the family Echinothuridae were observed several times by the famous Danish echinoderm specialist, the late Dr. Th. Mortensen. The swellings were caused, he discovered, by a small crustacean inhabiting a cavity in the swelling. He entrusted his material to H. J. HANSEN, who published a detailed study on the phenomenon in 1902, whereas new samples discovered later on were studied by K. STEPHENSEN (1935). Apart from these two publications, no new observations concerning these galls in sea-urchin spines have been published.\nHANSEN gives an illustration of the transformed spine (1902, pl. XV fig. 1); this illustration, copied in the present paper (fig. 1a) gives the impression that the parasite inhabits a thickened part at the top of the host\xe2\x80\x99s spines. Hansen must have dealt with a spine whose distal part was broken off or he figured one of the club-shaped spines that normally, thus without interference of a parasite, occur in Echinothuridae. The galls caused by copepods occur always halfway the spine (our figures 1 b-d); they are not unlike birdnests glued against a stem. The swelling illustrated by Hansen is a symmetrical one, the galls actually found are asymmetrical.
    Repository Name: National Museum of Natural History, Netherlands
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  • 10
    Publication Date: 2024-01-12
    Description: Niphargus puteanus (Koch in Panzer, 1836) is redescribed, in accordance with the criteria formulated by the \xe2\x80\x9cFirst International Colloquium on the Genus Niphargus\xe2\x80\x9d, at Verona (1969). The redescription is based on material collected near the type-locality, Regensburg (German Federal Republic). A neotype, and a restricted type-locality, are indicated.
    Repository Name: National Museum of Natural History, Netherlands
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