Results 51 to 60 of about 111 (87)
A new approach to species delimitation in Septoria. [PDF]
Verkley GJ +3 more
europepmc +1 more source
Tiny animals in various metazoan phyla inhabit the interstices between sand and/or gravel grains, and adaptive traits in their body plan, such as simplification and size reduction, have attracted research attention. Several possible explanations of how such animals colonized interstitial habitats have been proposed, but their adaptation to this ...
openaire
Index to Hydrobiologia Volumes 251-384 (1993-1999). [PDF]
europepmc +1 more source
Cotylea (Polycladida): a cladistic analysis of morphology [PDF]
Abstract. Polyclad flatworms are acoelomate bilaterians found in benthic communities worldwide, predominantly in marine environments. Current polyclad systematics is unstable, with two non‐concordant classification schemes resulting in a poor understanding of within‐group relationships. Here we present the first phylogenetic framework for the suborder
Kate A Rawlinson, Marian K Litvaitis
exaly +3 more sources
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Zootaxa, 2020
We describe a new species of polyclad flatworm, Pericelis flavomarginata sp. nov., from the intertidal and subtidal zones along localities on the Pacific coast of Japan. Pericelis flavomarginata sp. nov. is characterized by i) the dorsal surface of the body fringed by a lemon-yellow line except for the tip of tentacles, with a narrow brown midline ...
AOI TSUYUKI +3 more
openaire +6 more sources
We describe a new species of polyclad flatworm, Pericelis flavomarginata sp. nov., from the intertidal and subtidal zones along localities on the Pacific coast of Japan. Pericelis flavomarginata sp. nov. is characterized by i) the dorsal surface of the body fringed by a lemon-yellow line except for the tip of tentacles, with a narrow brown midline ...
AOI TSUYUKI +3 more
openaire +6 more sources
A new bathyal species of Cestoplana (Polycladida: Cotylea) from the West Pacific Ocean
Marine Biodiversity, 2018We describe Cestoplana nopperabo sp. nov. from 292- to 439-m depths in Sagami Bay, Japan. This is the eighth member of the genus, representing the first report of a bathyal polyclad from the Indo-West Pacific. Cestoplana nopperabo sp. nov. is characterized by lacking eyespots; it shows no color pattern on the dorsal surface of the body, unlike other ...
Yuki Oya, Hiroshi Kajihara
exaly +2 more sources
Cell Biology International, 2016
AbstractBased on light and electron microscopy observations, oogenesis in the cotylean polyclad Prosthiostomum siphunculus was investigated for the first time. The numerous ovarian follicles are dispersed essentially in the dorsal parenchyma. In the follicles, a ventral germinative zone with undifferentiated germs cells of different sizes and a dorsal ...
Mehrez, Gammoudi +3 more
openaire +2 more sources
AbstractBased on light and electron microscopy observations, oogenesis in the cotylean polyclad Prosthiostomum siphunculus was investigated for the first time. The numerous ovarian follicles are dispersed essentially in the dorsal parenchyma. In the follicles, a ventral germinative zone with undifferentiated germs cells of different sizes and a dorsal ...
Mehrez, Gammoudi +3 more
openaire +2 more sources

