New species of Poecilosclerida (Demospongiae, Porifera) from the Aleutian Islands, Alaska, USA

Zootaxa ◽  
2006 ◽  
Vol 1155 (1) ◽  
pp. 1 ◽  
Author(s):  
HELMUT LEHNERT ◽  
ROBERT STONE ◽  
WOLFGANG HEIMLER
Keyword(s):  
New Species ◽  
North Pacific ◽  
Aleutian Islands ◽  
The North ◽  
The North Pacific

Five new species of poecilosclerid sponges, Artemisina amlia sp. nov., Coelosphaera oglalai sp. nov., Melonanchora globogilva sp. nov., Tedania kagalaskai sp. nov., and Mycale carlilei sp. nov, are described from the Aleutian Islands, Alaska, from depths ranging between 100–190m and are compared with congeners of the North Pacific Ocean.Keywords: Taxonomy, Porifera, Demospongiae, Poecilosclerida, new species, N-Pacific, Aleutian Islands, Alaska

Geodia starki sp. nov. (Porifera, Demospongiae, Astrophorida) from the Aleutian Islands, Alaska, USA

2013 ◽  
Vol 94 (2) ◽  
pp. 261-265 ◽  
Author(s):  
Helmut Lehnert ◽  
Robert P. Stone ◽  
David Drumm
Keyword(s):  
New Species ◽  
North Atlantic ◽  
Bering Sea ◽  
North Pacific ◽  
North Pacific Ocean ◽  
Aleutian Islands ◽  
The North ◽  
The North Atlantic ◽  
The North Pacific ◽  
A New Species

A new species of Geodia is described from the North Pacific, collected in the summer of 2012 in the western Aleutian Islands. Geodia starki sp. nov. differs from all known species of Geodia by the possession of two categories of sterrasters and exceptionally large megascleres. The new species is compared with congeners of the North Pacific Ocean, Bering Sea, Arctic and the North Atlantic Oceans.

A new sea star of the genus Hippasteria (Asteroidea: Goniasteridae) from the Aleutian Islands

Zootaxa ◽  
2011 ◽  
Vol 2963 (1) ◽  
pp. 48 ◽  
Author(s):  
R. N. CLARK ◽  
STEPHEN C. JEWETT
Keyword(s):  
New Species ◽  
North Atlantic ◽  
North Pacific ◽  
Aleutian Islands ◽  
Sea Star ◽  
The North ◽  
The North Atlantic ◽  
The North Pacific ◽  
A New Species

A new species of goniasterid sea star, Hippasteria aleutica sp. nov. is described from the Aleutian Islands, and compared to H. phrygiana (Parelius, 1768) from the North Atlantic-Arctic, as well as its congeners from the North Pacific. Distribution is discussed and a key to the described species of Hippasteria in Alaskan waters is presented.

Rhinoraja longi, a new species of skate from the outer Aleutian Islands, with comments on the status of Rhinoraja (Chondrichthyes, Rajoidei)

1991 ◽  
Vol 69 (7) ◽  
pp. 1889-1903 ◽  
Author(s):  
W. Raschi ◽  
J. D. McEachran
Keyword(s):  
New Species ◽  
North Pacific ◽  
Aleutian Islands ◽  
Skeletal Structure ◽  
Crown Height ◽  
The North ◽  
The Status ◽  
Dermal Denticle ◽  
The North Pacific ◽  
A New Species

Discovery of a new species of skate, Rhinoraja longi, from the outer Aleutian Islands led to a re-evaluation of the status and species composition of this genus. Rhinoraja is presently distinguished from Bathyraja primarily by its basally segmented rostral shaft and slightly longer tail. The genus contains five species plus the new species, and is endemic to the North Pacific arc, from Hokkaido, Japan, to the Aleutian Islands. The six species are very similar in morphology, meristics, and skeletal structure but differ substantially from each other in dermal denticle characters. Salient features of systematic significance in the dermal skeleton include the density and the relative proportions of total height, base height, and crown height of the denticles. The number and distribution of normal and alar thorns are also important.

Histodermella kagigunensis sp. nov. from the Gulf of Alaska and Aleutian Islands; first records of the genus from the North Pacific

2012 ◽  
Vol 93 (5) ◽  
pp. 1245-1248
Author(s):  
Helmut Lehnert ◽  
Robert P. Stone ◽  
Wolfgang Heimler
Keyword(s):  
New Species ◽  
Pacific Ocean ◽  
North Pacific ◽  
North Pacific Ocean ◽  
Gulf Of Alaska ◽  
First Record ◽  
Aleutian Islands ◽  
The North ◽  
The North Pacific

The genus Histodermella grows to four species with the addition of H. kagigunensis sp. nov. from the North Pacific. The new species is described and compared with all congeners. Histodermella kagigunensis shows affinities to H. ingolfi Lundbeck 1910 as it has the same spicule types but differs clearly in size, habitus and the dimensions of two occurring spicule types. The discovery of H. kagigunensis represents the first record of the genus Histodermella in the North Pacific Ocean.

Monocoryne colonialis sp. nov., a colonial candelabrid hydroid (Cnidaria: Hydrozoa: Candelabridae) from the North Pacific

2008 ◽  
Vol 88 (8) ◽  
pp. 1631-1635 ◽  
Author(s):  
Anita Brinckmann-Voss ◽  
Alberto Lindner
Keyword(s):  
New Species ◽  
North Pacific ◽  
Growth Form ◽  
Aleutian Islands ◽  
The North ◽  
The North Pacific ◽  
Shape And Size

Monocoryne colonialis sp. nov. is described from the Aleutian Islands, Alaska. The new species is unusual among candelabrid hydroids in having a colonial growth form, differing from its congeners in the shape and size of hydranths, in having stolons that anastomose, and by having tentacles not fused or only partly fused into bract-like structures.

Lamna ditropis, New Species, the Salmon Shark of the North Pacific

Copeia ◽  
1947 ◽  
Vol 1947 (3) ◽  
pp. 194 ◽  
Author(s):  
Carl L. Hubbs ◽  
W. I. Follett
Keyword(s):  
New Species ◽  
North Pacific ◽  
The North ◽  
The North Pacific

Palmaria hecatensis sp. nov. (Rhodophyta, Palmariales) from British Columbia and Alaska with a survey of other Palmaria species

1985 ◽  
Vol 63 (3) ◽  
pp. 474-482 ◽  
Author(s):  
Michael W. Hawkes
Keyword(s):  
British Columbia ◽  
Pacific Ocean ◽  
Geographical Distribution ◽  
North Pacific ◽  
North Pacific Ocean ◽  
Aleutian Islands ◽  
Rocky Shores ◽  
Intertidal Zones ◽  
The North ◽  
The North Pacific

Palmaria hecatensis sp. nov. is described based on material from northern British Columbia. Male gametophytes and tetrasporophytes are thick, coriaceous, flattened blades, linear to lobed in habit and arise from an extensive encrusting basal holdfast. Putative female gametophytes are microscopic multicellular discs. Palmaria hecatensis grows on rocky shores in the midintertidal to lower intertidal zones and has a known geographical distribution from Nootka Island, Vancouver Island, B.C., to Shemya Island in the Aleutian Islands, Alaska. Palmaria hecatensis is compared with other species in the genus and, in addition, another distinctive (and possibly undescribed) Palmaria species from British Columbia and Alaska is discussed, bringing the total number of Palmaria species reported in the North Pacific Ocean to six.

scholarly journals Strengthened Relationship between Tropical West Pacific and Midsummer Precipitation over Northeast China after the Mid-1990s

2020 ◽  
Vol 33 (16) ◽  
pp. 6833-6848
Author(s):  
Tingting Han ◽  
Minghua Zhang ◽  
Botao Zhou ◽  
Xin Hao ◽  
Shangfeng Li
Keyword(s):  
North Pacific ◽  
Northeast China ◽  
Aleutian Islands ◽  
Northwest Pacific ◽  
West Pacific ◽  
The North ◽  
Circulation Anomalies ◽  
The Relationship ◽  
The North Pacific ◽  
Central North Pacific

AbstractThe relationship between the tropical west Pacific (TWP) and East Asian summer monsoon/precipitation has been documented in previous studies. However, the stability for the signals of midsummer precipitation in the TWP sea surface temperature (SST_TWP), which is important for climate variation, has drawn little attention. This study identifies a strengthened relationship between the leading empirical orthogonal function mode (EOF1) of midsummer precipitation over Northeast China (NEC) and the SST_TWP after the mid-1990s. The EOF1 mode shows a significant positive correlation with the SST_TWP for 1996–2016, whereas the relationship is statistically insignificant for 1961–90. Further results indicate that the North Pacific multidecadal oscillation (NPMO) shifts to a positive phase after the 1990s. In the positive NPMO phase, the anomalous circulation over the northeast Pacific expands westward over the central North Pacific–Aleutian Islands region. Concurrently, the SST_TWP-associated wavelike pattern propagates northeastward from the west Pacific to the northwest Pacific and farther to the North Pacific, facilitating the poleward expansion and intensification of the SST_TWP-related circulation anomalies over the North Pacific. Therefore, the SST_TWP has an enhanced influence on NEC precipitation through the modulation of the circulation anomalies over the central North Pacific–Aleutian Islands region after the mid-1990s. Additionally, the tropical anticyclone/cyclone associated with the SST_TWP expands westward to South China, exerting an intensified impact on meridional wind anomalies along eastern China and on moisture transport over NEC. These conditions jointly contribute to the strengthened relationship between the SST_TWP and the EOF1 mode of NEC midsummer precipitation after the mid-1990s.

Two new Cumella (Crustacea: Cumacea: Nannastacidae) from the North Pacific, with a key to the North Pacific Cumella

Zootaxa ◽  
2009 ◽  
Vol 2149 (1) ◽  
pp. 50-61
Author(s):  
SARAH GERKEN
Keyword(s):  
New Species ◽  
North Pacific ◽  
The Other ◽  
Rocky Shores ◽  
The North ◽  
Two New Species ◽  
The North Pacific

Two new species of Cumella (Cumacea: Nannastacidae), C. oculata and C. alaskensis are described from shallow Alaskan rocky shores. The new species C. oculata can be distinguished from other North Pacific Cumella by the combination of a large eye lobe, no spines dorsally on the carapace, and carapace without large tubercles. The new species C. alaskensis can be distinguished from the other North Pacific Cumella by the 5 spines distributed unequally on the dorsal crest.

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