Results 1 to 10 of about 10,179 (217)

Functional morphology and ecology of the Arctic pogonophore Nereilinum murmanicum Ivanov, 1961 (Siboglinidae, Annelida)

open access: yesУчёные записки Казанского университета: Серия Естественные науки, 2021
This article deals with the external and internal morphology in the adult stages of Nereilinum murmanicum Ivanov, 1961, a widespread species of Siboglinidae in the Barents Sea.
M.M. Kanafina   +5 more
doaj   +1 more source

Sexual Maturity and Macronutrient Contents in Diopatra sp. (Onuphidae, Polychaeta) Maintained at Different Salinity Levels

open access: yesIlmu Kelautan, 2023
Diopatra sp. (Onuphidae, Polychaeta) is an economically important polychaete species commonly used as a fishing bait by local anglers in Cilacap, Central Java Province.
Eko Setio Wibowo   +7 more
doaj   +1 more source

Modelling of climatic tolerances of three earthworm species; Satchellius mammalis, Lumbricus friendi and Lumbricus festivus using Maximum Entropy Modeling [PDF]

open access: yesOpuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis, 2022
Earthworm distributions are poorly known and individual species climatic tolerances, even less so. This paper sets out to use three species with a mainly Anglo-French distribution to test out whether using Maximum Entropy Modelling (Maxent) could be ...
Sherlock, Emma   +2 more
doaj   +1 more source

COMPARATIVE ULTRASTRUCTURAL STUDY OF THE SALIVARY GLANDS OF TWO HEMATOPHAGOUS LEECHES (ANNELIDA, CLITELLATA, ARHYNCHOBDELLIDA) IN IRAQ

open access: yesBulletin of the Iraq Natural History Museum, 2023
During July -August of 2021, thirty-one leeches were collected from two localities in Erbil and its suburbs for studying the morphological features of jaws, denticles,and salivary gland cells.
Huda Sdiq Bilal, Sherwan Tayeb Ahmed
doaj   +1 more source

A contribution to the earthworm (Annelida, Clitellata, Megadrili) fauna of the central Indian state Chhattisgarh, India [PDF]

open access: yesOpuscula Zoologica Instituti Zoosystematici et Oecologici Universitatis Budapestinensis, 2023
Drawida willsi was the first species of earthworm reported from Chhattisgarh state by Michaelsen in 1907. After that, only one survey of earthworm has been carried out there in 2021.
Harit, A.K.   +4 more
doaj   +1 more source

A new thalassematid echiuran worm from the Middle Ordovician Castle Bank Biota of Wales, UK [PDF]

open access: yesActa Palaeontologica Polonica, 2023
chiurans (spoonworms) are a very distinctive group of polychaete annelids that had long been considered to constitute a separate phylum. Their fossil record is extremely limited, although trace fossils that have been suggested to be attributable to ...
JOSEPH P. BOTTING, LUCY A. MUIR
doaj   +1 more source

Mitogenome of the blood feeding leech Haementeria acuecueyetzin (Hirudinida: Glossiphoniidae) from Tabasco, Mexico

open access: yesMitochondrial DNA. Part B. Resources, 2020
Here, we present the mitogenome of the blood feeding leech Haementeria acuecueyetzin (Hirudinida: Glossiphoniidae) based on specimens collected in Tabasco, Mexico.
V. M. Sosa-Jiménez   +4 more
doaj   +1 more source

Mitochondrial genome of the freshwater annelid Manayunkia occidentalis (Sabellida: Fabriciidae)

open access: yesMitochondrial DNA. Part B. Resources, 2020
Here, we report the 15,103 bp mitochondrial genome of the freshwater fabriciid tubeworm Manayunkia occidentalis. We recovered 13 protein-coding genes, 2 rRNA, and 22 tRNA. The gene order is consistent with the conserved pattern observed in most annelids.
Ekin Tilic   +2 more
doaj   +1 more source

How Many Sipunculan Species Are Hiding in Our Oceans?

open access: yesDiversity, 2021
Sipuncula, long considered a separate phylum, are now commonly included in the Annelida based on phylogenomic analyses. The sipunculan body consists of an unsegmented trunk and a retractable introvert, usually with a set of tentacles at its anterior end.
Anja Schulze, Gisele Y. Kawauchi
doaj   +1 more source

Three-dimensional reconstruction of the F-actin musculature of Dorvillea kastjani (Dorvilleidae, Polychaeta) by means of phalloidin-labelling and cLSM

open access: yesScientia Marina, 2006
This paper is part of a series investigating the muscular architecture of various “Polychaeta”, aiming to ascertain the presence of circular muscles in the body wall, which have recently been thought to be lacking more often than hitherto known.
Anna Filippova   +3 more
doaj   +1 more source

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