Isanthus Homolophilussp. nov. (Isanthidae: Actiniaria: Anthozoa) from French Polynesia

1998 ◽  
Vol 78 (3) ◽  
pp. 829-834 ◽  
Author(s):  
Chariton Charles Chintiroglou ◽  
Dominique Doumenc
Keyword(s):  
New Species ◽  
Deep Water ◽  
Morphological Characteristics ◽  
French Polynesia ◽  
The Other ◽  
Symbiotic Association ◽  
Symbiotic Relationship ◽  
Contrôle Biologique ◽  
Concise Description ◽  
Ecological Differences

A new deep-water Actiniaria species,Isanthus homolophilussp. nov. is described from the French Polynesia. Morphological and ecological differences between the new species and the other known species of the genusIsanthusare discussed. The distinct morphological characteristics that distinguishI. homolophilus, are the presence of a tentaculated columnar margin, the tentacle number (84–96), and its cnida biometry. A further ecological characteristic is the distinct symbiotic relationship that the anemone exhibits towards the decapodHypsophiys inflata.During the biological researches of the ‘Service Mixte de Contrôle Biologique’ (SMCB) in French Polynesia (1986–1990) at depths ranging from 100 to 1120 m, a symbiotic association between a deep-water homolid crab,Hypsophrys inflataGuinot & Richer de Forges, 1981 and a sea anemone of the genusIsanthus(Actiniaria: Isanthidae) was collected. Even though this association was described by Guinot et al. (1995) and Chintiroglou et al. (1996), no concise description of the anemone is given. Thus, the goal of the present study was to provide a detailed description of the new anemone species and compare it with other species of the Isanthidae Carlgren, 1938 family.The methodology followed in our investigation was that of Doumenc & Foubert (1984) and Doumenc et al. (1985). Nematocyst nomenclature used was as proposed by England (1991). Abbreviations: MNHN (Museum National d'Histoire Naturelle Paris).

Laonicespecies (Polychaeta, Spionidae) from the Whittard Canyon (NE Atlantic) with descriptions of two new species

2017 ◽  
Vol 97 (5) ◽  
pp. 961-973 ◽  
Author(s):  
Andrey Sikorski ◽  
Laetitia M. Gunton ◽  
Lyudmila Pavlova
Keyword(s):  
New Species ◽  
North Atlantic ◽  
Deep Water ◽  
The Body ◽  
Identification Key ◽  
The Other ◽  
Ne Atlantic ◽  
Two New Species ◽  
Generic Groups ◽  
Number Of Segments

Four species ofLaonice(Annelida: Spionidae) were collected from the lower bathyal depths (3300–3700 m) in the Whittard Canyon, NE Atlantic. Two are herewith described as new species:Laonice whittardensissp. nov. andLaonice nataesp. nov. The other two areLaonice blakeiSikorski & Jirkov, 1988 andLaonice magnacristataMaciolek, 2000.Laonice whittardensishas genital pouches appearing from chaetiger 3, prostomium free of peristomium and bidentate hooks.Laonice nataebelongs to the subgenusAppelloefianov. with prostomium distinct from the peristomium, more than two vertical rows of capillaries in several anterior chaetigers, genital pouches present on a limited number of segments or totally absent. However, the absence of pronounced anterior widening of the body together with anterior branchiae, which are remarkably (nearly twice) longer than the notopodial postchaetal lobes, the narrow lanceolate notopodial postchaetal lobes, the pronounced pointedness of all postchaetal lobes (both notopodial and neuropodial) in the anterior half of body at least, and absence of genital pouches and the size of the body all distinguishL. nataefrom other species belonging to this subgenus. An identification key to all nine known deep-water (>400 m depth)Laonicespecies in North Atlantic is given and four previously recognized sub-generic groups are formally named:Laonice, Sarsianasubgen. nov.,Appelloefiasubgen. nov.,Norgensiasubgen. nov.

scholarly journals Two new species of Phalangopsis Serville, 1831 (Orthoptera: Grylloidea: Phalangopsidae) from Brazilian Amazon Forest

2008 ◽  
Vol 80 (4) ◽  
pp. 647-655 ◽  
Author(s):  
Carina M. Mews ◽  
Carlos F. Sperber
Keyword(s):  
New Species ◽  
Male Genitalia ◽  
Morphological Characteristics ◽  
Brazilian Amazon ◽  
The Other ◽  
Amazon Forest ◽  
Diagnostic Characteristics ◽  
Two New Species

We describe here two new species of the genus Phalangopsis Serville, 1831 from the Brazilian Amazon Forest. The male genitalia and the female copulatory papilla were described, and a combination of diagnostic characteristics was given to separate both new species from the other described species. The principal morphological characteristics of this genus were discussed.

A new cryptic species allied to Plestiodon japonicus (Peters, 1864) (Squamata: Scincidae) from eastern Japan, and diagnoses of the new species and two parapatric congeners based on morphology and DNA barcode

Zootaxa ◽  
2012 ◽  
Vol 3436 (1) ◽  
pp. 1 ◽  
Author(s):  
TAKU OKAMOTO ◽  
TSUTOMU HIKIDA
Keyword(s):  
New Species ◽  
Russian Far East ◽  
Far East ◽  
Dna Barcode ◽  
Morphological Characteristics ◽  
Taxonomic Status ◽  
The Other ◽  
Lizard Species ◽  
Diagnostic Features ◽  
The Right

A new species of scincid lizard allied to Plestiodon japonicus (Peters, 1864) was described as P. finitimus sp. nov., fromthe eastern part of Honshu and Hokkaido, Japan. A previous DNA study reported the taxonomic status of the easternJapanese populations of Plestiodon as an undescribed species on the basis of their collective genetic distinctness from aparapatric congener P. japonicus sensu strict from the western part of mainland Japan. We present the diagnostic featuresof P. finitimus compared to P. japonicus and P. latiscutatus Hallowell, 1861, the other parapatric species occurring in theIzu Peninsula and Izu Islands of central Japan, on the basis of morphological characteristics and DNA barcode patterns.Both P. finitimus and P. japonicus have a small postnasal and large anterior loreal that contacts the supralabials. In contrast,the Izu Peninsular populations of P. latiscutatus, which had no known diagnostic features relative to the other two species,usually have a large postnasal and small anterior loreal, with the latter separated from the supralabials by the former, ormay otherwise lack a postnasal. In most populations of P. finitimus, the right and left prefrontals are usually isolated fromeach other, whereas they exhibit medial contact in most populations of P. japonicus. Although all the above characters arevariable both within and between populations, 60–90% of the specimens from each locality on mainland Japan werecorrectly identified using a combination of these characters. Based on these characters, the Russian Far East populationof Plestiodon was also identified as P. finitimus. The interspecific sequence differences in the standard DNA barcoderegion (a 658 base pair fragment of the cytochrome c oxidase subunit I gene of mitochondrial DNA) were distinct, andeach of the three species was exclusively clustered in a neighbor-joining tree. The limited hybridization among the threespecies indicated by previous studies suggests that DNA barcodes could provide a reliable key for their correctidentification. The implications for the biogeography and speciation of the three parapatric lizard species are briefly discussed.

Anemone-Carrying Behaviour in a Deep-Water Homolid Crab (Brachyura, Podotremata)

Crustaceana ◽  
1996 ◽  
Vol 69 (1) ◽  
pp. 19-25 ◽  
Author(s):  
Dominique Doumenc ◽  
Charis Charles Chintiroglou ◽  
Danièle Guinot
Keyword(s):  
Deep Water ◽  
French Polynesia ◽  
Sea Anemone ◽  
Symbiotic Association ◽  
Mutualistic Association

AbstractA new symbiotic association between a deep-water homolid crab, Hypsophrys inflata Guinot & Richer de Forges, 1981 (Brachyura, Podotremata, Homolidae) and a sea anemone of the genus Isanthus (Anthozoa, Actiniaria, Isanthidae) is described from French Polynesia. The crab carries the anemone on its modified last pairs of legs. It is suggested that this represents a mutualistic association.

Ophlitaspongia and Ophlitaspongia papilla reinstated, and a new species of Ophlitaspongia described (Porifera: Demospongiae: Microcionidae)

1999 ◽  
Vol 79 (4) ◽  
pp. 609-620 ◽  
Author(s):  
C.M. Howson ◽  
S.J. Chambers
Keyword(s):  
New Species ◽  
North Atlantic ◽  
Deep Water ◽  
The Other ◽  
East Atlantic ◽  
Halichondria Panicea ◽  
North East ◽  
The North ◽  
The North Atlantic ◽  
A New Species

A new species of Ophlitaspongia (Porifera: Microcionidae) from wave-exposed sublittoral rock in the north-east Atlantic is described and compared to the two other species recorded from the genus in the north-east Atlantic. The species known as Ophlitaspongia seriata is considered to be a junior synonym of Halichondria panicea. Consequently, the name O. papilla has been reinstated. The other recorded species O. basifixa, is from deep water. Ophlitaspongia basifixa has characters which differentiate it from Ophlitaspongia sp. nov. The genus Ophlitaspongia has been separated from related genera and reinstated for species in the North Atlantic.

scholarly journals A strikingly coloured new species of Paragiopagurus Lemaitre, 1996 (Crustacea: Decapoda: Anomura: Parapaguridae) from French Polynesia

Zootaxa ◽  
2003 ◽  
Vol 386 (1) ◽  
pp. 1 ◽  
Author(s):  
RAFAEL LEMAITRE ◽  
JOSEPH POUPIN
Keyword(s):  
New Species ◽  
Deep Water ◽  
Hermit Crab ◽  
French Polynesia ◽  
Colour Pattern ◽  
Crab Species ◽  
The Family ◽  
Austral Islands ◽  
Distinct Colour

A new deep-water hermit crab species, Paragiopagurus fasciatus, is described from the Austral Islands, French Polynesia. This new species has a distinct colour pattern consisting of red stripes on the shield and ambulatory legs, and is also distinguished by having short antennal peduncles, strongly armed carpus of the left cheliped, and in females, laterally armed telson. This new species is the fourth of the genus, and the twelfth of the family, recorded from French Polynesia. The closest morphological affinities of P. fasciatus n. sp. are with P. bougainvillei (Lemaitre, 1994) and P. wallisi (Lemaitre, 1994), two species also known so far exclusively from French Polynesia. A taxonomically updated list of species from French Polynesia is presented.

Hermit crabs of the genus Calcinus Dana, 1851 (Decapoda: Anomura: Diogenidae) from the Austral Islands, French Polynesia, with description of a new species

Zootaxa ◽  
2003 ◽  
Vol 391 (1) ◽  
pp. 1 ◽  
Author(s):  
JOSEPH POUPIN ◽  
RAFAEL LEMAITRE
Keyword(s):  
New Species ◽  
French Polynesia ◽  
The Other ◽  
Hermit Crabs ◽  
C Elegans ◽  
Pale Pink ◽  
Bright Orange ◽  
Austral Islands ◽  
Left And Right ◽  
A New Species

Knowledge of morphology, coloration, and distribution of species of Calcinus Dana, 1851 from French Polynesia is expanded based primarily on collections obtained during the French BENTHAUS Expedition in 2002 to the Austral Islands, the southernmost of the French Polynesian islands. Six species of Calcinus were obtained from inshore to depths of 280 m. Of these, one proved to be a new species, C. albengai, and is fully described. This new species has two colour variants, one with pale pink to cream chelipeds that lives in shallow-water from the intertidal to about 50 m, the other with bright orange chelipeds, from deeper waters from about 50 to 280 m. Morphologically this new species is distinguished by differences in the armature of the ocular acicles, aspects of the left and right palms, ventrodistal pilosity of third pereopods, and telson armature. Five species were collected by dredging, trawling, or using traps, in depths of 40 to 280 m: C. anani Poupin & McLaughlin, 1998, C. gouti Poupin, 1997, C. haigae Wooster, 1984, C. spicatus Forest, 1951, and C. aff. sirius Morgan, 1991. Of these, C. gouti was previously known exclusively based on the holotype from Tuamotu, and a more complete diagnosis is presented; the others are also diagnosed, including new details on coloration. Inshore and scuba collecting on Rapa Island produced four additional, but better known species: C. elegans (H. Milne Edwards, 1836), C. latens (Randall, 1840), C. laevimanus (Randall, 1840), and C. vachoni Forest, 1958. The inshore Calcinus fauna of Rapa is briefly compared with its counterpart on Easter Island, located at the same latitude 3500 km to the east. A total of 19 (or possibly 20, should C. sirius be confirmed in the future) Calcinus species are now known from French Polynesia. Cases of sibling species of Calcinus, distinguished almost exclusively by coloration, are summarized.

Species of Scina Prestandrea, 1833 (Amphipoda, Hyperiidea, Scinidae) from western Mexico with the description of a new species from the Gulf of California

Zootaxa ◽  
2020 ◽  
Vol 4803 (2) ◽  
pp. 329-344
Author(s):  
REBECA GASCA ◽  
MICHEL E. HENDRICKX
Keyword(s):  
New Species ◽  
Deep Water ◽  
Gulf Of California ◽  
Common Species ◽  
The Other ◽  
Single Sample ◽  
Western Mexico ◽  
Extensive Survey ◽  
A New Species

Only a few previous surveys of the deep-water planktonic fauna have been accomplished off western Mexico, in particular in the Gulf of California. Samples of pelagic amphipods were obtained between surface and as deep as 2394 m using different gear during an extensive survey in this area. Among these samples, nine species of the genus Scina were recognized, including 78 specimens: 27 males and 51 females. The genus Scina inhabits mesopelagic waters at depths over 200 m, a community that remains largely unknown. The material examined includes a new species, the first reported from the Gulf of California, which is described and compared with its closest congeners, S. setigera Wagler, 1926 and S. parasetigera Zeidler, 1990. These three species share the presence of a long bristle on the base of the dactylus of pereopods 5 and 6. Scina sp. nov. differs from these other two species mainly by: 1) the shape and proportions of pereiopods 1–7; 2) the presence of three inner spiniform elements on uropod 1; 3) the insertion of the exopod on distal 1/3 of uropods. Of the remaining species collected during the survey S. borealis was by far the most abundant and widely distributed, followed by S. wolterecki and S. marginata. The other five species, S. curvidactyla, S. nana, S. pacifica, S. setigera, and S. submarginata, were represented by one or two specimens only. Co-occurence of species of Scina in samples was low with a maximum of four species in a single sample, all associated with S. borealis, the most common species. The distribution of Scina species collected during this survey is briefly discussed. 

A novel symbiotic relationship between mites and recluse spiders (Sicariidae: Loxosceles), with a description of a new Callidosoma species (Trombidiformes: Erythraeidae)

Zootaxa ◽  
2017 ◽  
Vol 4338 (3) ◽  
pp. 459 ◽  
Author(s):  
LEOPOLDO FERREIRA DE OLIVEIRA BERNARDI ◽  
ANDREAS WOHLTMANN ◽  
ISABELA M LORENZON ◽  
RODRIGO LOPES FERREIRA
Keyword(s):  
New Species ◽  
Aggressive Behavior ◽  
Symbiotic Association ◽  
Symbiotic Relationship ◽  
Unknown Species ◽  
A New Species

This study reports a symbiotic association between an unknown species of Loxosceles (Araneae: Sicariidae) and the adults of a new species of parasitengone mite that lives on their web in Brazilian caves. This mite is described as Callidosoma cassiculophylla sp. nov. (Parasitengona: Erythraeidae). The symbiotic association is clearly beneficial for the mite, which lives with the spider, and feeds on prey captured by their webs, without any aggressive behavior or expulsion of the mites by the spiders. 

Two new species of Fauveliopsidae (Annelida, Sedentaria) from submarine caves and deep sea, Japan

Zootaxa ◽  
2020 ◽  
Vol 4878 (2) ◽  
pp. 385-391
Author(s):  
NAOTO JIMI ◽  
SHINTA FUJIMOTO ◽  
AKITO OGAWA ◽  
YOSHIHISA FUJITA ◽  
YUYA SHIGENOBU ◽  
...  
Keyword(s):  
New Species ◽  
Deep Water ◽  
Deep Sea ◽  
The Other ◽  
Two New Species ◽  
Japanese Waters ◽  
Submarine Caves ◽  
I 32

Two new species of fauveliopsid annelids, Fauveliopsis antri sp. nov. and Laubieriopsis soyoae sp. nov., are described based on specimens collected from Japanese waters. Fauveliopsis antri sp. nov. inhabits submarine caves and can be discriminated from the other congeners by the following features: i) 32 chaetigers, ii) chaetigers 1–3 with stout hooks, iii) minute body (about 1 mm in length), iv) all parapodia with same number of chaetae (2 notochaetae; 2 neurochaetae), and v) presence of dorsal and ventral papillae. Laubieriopsis soyoae sp. nov. inhabits deep water sediments and can be distinguished from the other congeners by: i) 24 chaetigers, ii) chaetigers 1–3 without annulations, and iii) acicular chaetae with tips entire, without denticles.

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