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Carrerette, Orlemir; Nogueira, João Miguel de Matos. (2015). The genus Loimia Malmgren, 1866 (Annelida: Terebellidae) off the Brazilian coast, with description of three new species and notes on some morphological characters of the genus. Zootaxa. 3999(1): 1-31.
199693
10.11646/zootaxa.3999.1.1 [view]
urn:lsid:zoobank.org:pub:8AF75360-5FC0-442C-A122-186959D0606A [view]
Carrerette, Orlemir; Nogueira, João Miguel de Matos
2015
The genus <em>Loimia </em>Malmgren, 1866 (Annelida: Terebellidae) off the Brazilian coast, with description of three new species and notes on some morphological characters of the genus
Zootaxa
3999(1): 1-31
Publication
World Polychaeta Database (WPolyDb). Article is not open access
Available for editors
Three new species of Loimia were collected along the Brazilian coast, during some independent projects, from shallow to deep waters off the continental slope. These species are L. megaoculata sp. nov., L. armata sp. nov., and L. brasiliensis sp. nov., all herein described and compared with the morphologically most similar congeners. Loimia megaoculata sp. nov., is characterized by having large, dark eyespots, progressively smaller from dorso-laterally towards lateral basal part of prostomium; lobes of segment 1 are distally rounded, roughly circular, barely reaching mid-length of upper lip; uncini have up to 6–7 teeth, including basal-most tooth. Loimia armata sp. nov., lacks eyespots; stout lobes of segment 1 nearly reach level of upper lip; uncini have up to 7–8 teeth, including basal-most tooth. Loimia brasiliensis sp. nov., has two narrow rows of eyespots; lobes of segment 1 are thin, reaching mid-length of upper lip; uncini have 5–6 teeth, including basal-most tooth. We provide a brief discussion on the main morphological characters useful for the taxonomy of this genus, such as presence of eyespots, and morphology of lobes of segments 1 and 3, of mid-ventral pads and neurochaetae. Up to now only two species had been recorded from Brazil, namely L. grubei and L. medusa, both doubtful records, as discussed along this paper.
Western Atlantic warm temperate to tropical
Systematics, Taxonomy
Date action by
Loimia Malmgren, 1866 (additional source)
Distribution SW Atlantic Ocean: Brazil (Campos Basin, State of Rio de Janeiro; State of São Paulo). [details] Distribution SW Atlantic Ocean: Brazil (States of Paraíba, Pernambuco, Rio de Janeiro and São Paulo). [details] Distribution SW Atlantic Ocean: Brazil (Campos Basin, State of Rio de Janeiro). [details] Etymology The specific epithet “armata” refers to the large lobes on segment 1, directed anteriorly and encasing the ... [details] Etymology The specific epithet “brasiliensis” refers to this taxon being the Loimia species most frequently found along ... [details] Etymology The specific epithet “megaoculata” refers to the presence of large eyespots on the basal part of the prostomium. [details] Habitat Type of sediment not specified, at shelf depths. [details] Habitat Type of sediment not specified, from intertidal to shelf depths. [details] Habitat Type of sediment not specified, at shelf and slope depths. [details] Type locality Campos Basin, State of Rio de Janeiro, Brazil, SW Atlantic Ocean (-22.2092°, -40.2236°). [details] Type locality Praia de Jaguaribe, State of Pernambuco, Brazil, SW Atlantic Ocean (-7.7256°, -34.8258°). [details] Type locality Campos Basin, State of Rio de Janeiro, Brazil, SW Atlantic Ocean(-22.2092°, -40.2236°). [details] |