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Oberottmarshausen, Germany

Lehnert H.,Eichenstrasse 14 | Stone R.P.,National Oceanic and Atmospheric Administration | Heimler W.,Friedrich - Alexander - University, Erlangen - Nuremberg
Journal of the Marine Biological Association of the United Kingdom | Year: 2013

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. © 2012 Marine Biological Association of the United Kingdom. Source


Lehnert H.,Eichenstrasse 14 | Lehnert H.,GeoBio Center Munich | Stone R.P.,National Oceanic and Atmospheric Administration
Journal of the Marine Biological Association of the United Kingdom | Year: 2014

Two new demosponges, Megaciella pituitosa and Cladocroce toxifera, are described from the Aleutian Islands, fostering our contention that the region is a hotspot of poriferan biodiversity. Seven of the thirteen species of Megaciella now known worldwide occur in the Sea of Okhotsk or around the Aleutian Islands. Similarly, five of the sixteen species of Cladocroce known worldwide occur in Alaska. Megaciella pituitosa sp. nov. possesses two categories of choanosomal styles and spicules of different sizes that differentiate it from all known congeners. Cladocroce toxifera sp. nov. differs from all known congeners by possessing toxa and an ectosomal tangential arrangement of oxeas. © Marine Biological Association of the United Kingdom 2014. Source


Lehnert H.,Eichenstrasse 14 | Stone R.P.,National Oceanic and Atmospheric Administration
Journal of the Marine Biological Association of the United Kingdom | Year: 2011

A new species of Craniella from the Aleutian Islands is described. Craniella sputnika sp. nov. differ from all other species of Craniella in its habitus, absence of microscleres and size of spicules. The name refers to its resemblance to Earth's first artificial satellite, due to its spherical body with long spines. The new species was observed growing on another demosponge, Myxilla sp. We propose transferring two species currently in Craniella to Tetilla (Craniella ellipsoidea Hoshino, 1982 and Craniella laminaris (George & Wilson, 1919)) and two subspecies (Craniella globosa anamonaena Tanita, 1968 and Craniella laminaris symmetrica (Wilson, 1931)) from Craniella to Tetilla. As Craniella globosa anamonaena Tanita, 1968, is actually a species of Tetilla we suggest raising the subspecies to species rank as Tetilla anamonaena. Conversely we think that two species, Tetilla ovata (Thiele, 1898) and Tetilla hamatum Koltun, 1966 should be transferred to Craniella. © Marine Biological Association of the United Kingdom 2010. Source


Lehnert H.,Eichenstrasse 14 | Stone R.P.,National Oceanic and Atmospheric Administration | Drumm D.,National Oceanic and Atmospheric Administration
Journal of the Marine Biological Association of the United Kingdom | Year: 2014

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. © Marine Biological Association of the United Kingdom, 2013. Source

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