查看更多>>摘要：A new species, Dolichothrombium anatoliae sp. nov., is described based on active postlarval forms and larvae. Larvae of Dolichothrombium Feider, 1945 were obtained for the first time by experimental rearing from field-collected females. AzaritrombiumSaboori, Bagheri et Haddad Irani-nejad, 2005, hitherto known exclusively from larvae, is regarded as a junior synonym of Dolichothrombium. Diagnoses of active postlarval forms and larvae are given and all species assigned to Dolichothrombium are listed.An identification key to active postlarval forms and larvae is provided.
查看更多>>摘要：A new paranthurid isopod, Paranthura santiparrai sp. nov. is described from specimens collected in the 'El Cachucho' Marine Protected Area, southern Bay of Biscay. The new species can be distinguished from all the known species of the genus Paranthuraby the absence of eyes, from the native NE Atlantic species Paranthura nigropunctata and Paranthura costana by the lack of body pigmentation, antenna 1 and pereopod morphology and from the non-indigenous species Paranthura japonica (recently discoveredin the Arcachon Bay) by the pleonites not fused mediodorsally. The genus Paranthura is rediagnosed to accommodate the new taxon and an identification key is provided for European species. Ecological data on the new species are presented.
查看更多>>摘要：A second species of the microstigmatid spider genus Envia Ott & Hofer, 2003 is described from Manaus, Amazonas, Brazil. A new diagnosis, new records and notes on intra-specific variation in the tibial apophysis of the first leg of the male Envia garciai Ott & Hofer, 2003 are also provided. Males of Envia moleque n. sp. are readily recognizable by the copu-latory bulb with a strong apical spine on weakly differentiated paraembolic apophysis and by tibia I lacking an apophysis, which is instead represented by a modified retroventral apical spine in the type species. Females can be recognized by the spermathecae with globose distal receptaculum. Both known species in the genus are sympatric at least at the UFAM Experimental Farm, Manaus, Amazonas, Brazil, the type locality of the new species.
查看更多>>摘要：A new species of Cucumella, C. triperforata, with simple, digitate tentacles is described from deep waters off the east coast of South Africa. Since C. triplex, the type species of this genus, also has simple, digitate tentacles, the genus Cucumella together with its type species is removed from the Dendrochirotida and re-assigned to a new family, Cucumellidae, within the Dactylochirotida. The remaining species of Cucumella, with the exception of C. decaryi Cherbonnier (= Neo-stichopus grammatus (H.L. Clark, 1923)) are assigned to Neoamphicyclus Hickman, 1962 within the dendrochirotid subfamily Thyonidiinae. The ossicles of the new species bear a striking resemblance to those of the molpadid Cherbonniera utriculus Sibuet, but ordinal differences readily separate the taxa.
CAROLINA S. RODRIGUEZANTONIO C. MARQUESSERGIO N. STAMPARANDRE C. MORANDINI...
10页
查看更多>>摘要：Based on 16 specimens from the Southwestern Atlantic coast (Argentina and Brazil) we reinterpret the taxonomic position of Tessera gemmaria Goy, 1979, a stauromedusa considered as incertae sedis for a long time. Using external morphology, histologicalpreparations and molecular data (16S and COI) we conclude that T. gemmaria is an early stage of a cerinula, the long-lived planktonic larval stage of the Ceriantharia (Anthozoa).
查看更多>>摘要：The only two specimens of Leptychaster spp. reported from Southwest Atlantic, were determined as L. kerguelenensis mendosus by Fisher (1940). Twelve specimens of Leptychaster kerguelenensis from Argentine continental shelf collected by the R/V ShinkaiMaru, and two specimens from Kerguelen Islands collected by B.A.N.Z.A.R.E., were used to rede-scribe the species. All the material is deposited at the Museo Argentino de Ciencias Naturales "Bernardino Rivadavia". All Atlantic specimens agree with the description of Leptychaster kerguelenensis and no morphological differences were found with specimens from Kerguelen Islands. From the present study, no subspecies are recognized within L. kerguelenensis and L. mendosus is a junior synonym of the former.
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