Erpobdella obscura Verrill 1872
Erpobdella obscura (Verrill 1872) Synonym: Nephelopsis obscura Verrill 1872 Common name: Bait leech General distribution: Nearctic (Figures 2 H, 4 D, 6, 7, Tables 1, 2). Newfoundland: Survey: Site 7 (CMNA 2006 –0023), Site 18 (CMNA 2006 –0022); Museum specimen: CMNA 1900–5994; Literature: Pawlowski...
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ftzenodo:oai:zenodo.org:5631637 2023-06-06T11:56:42+02:00 Erpobdella obscura Verrill 1872 Madill, Jacqueline Hovingh, Peter 2007-12-31 https://zenodo.org/record/5631637 https://doi.org/10.5281/zenodo.5631637 unknown info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C78785FF97CA4A3598FA69FC41873C doi:10.5281/zenodo.179881 http://publication.plazi.org/id/FFFEFFFDFF9DCA45350FFFC4FFBD8143 doi:10.5281/zenodo.179883 doi:10.5281/zenodo.179885 doi:10.5281/zenodo.179887 doi:10.5281/zenodo.179888 http://zoobank.org/4D1458EC-9129-49E8-B291-C230283832BC doi:10.5281/zenodo.5631636 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5631637 https://doi.org/10.5281/zenodo.5631637 oai:zenodo.org:5631637 info:eu-repo/semantics/openAccess Freshwater leech (Annelida: Hirudinida) distribution in the Canadian Province of Newfoundland and Labrador and adjacent regions: check-list, new records, new pigmentation forms, and Pleistocene refugia, pp. 1-21 in Zootaxa 1657 11-16 Biodiversity Taxonomy Animalia Annelida Clitellata Arhynchobdellida Erpobdellidae Erpobdella Erpobdella obscura info:eu-repo/semantics/other publication-taxonomictreatment 2007 ftzenodo https://doi.org/10.5281/zenodo.563163710.5281/zenodo.17988110.5281/zenodo.17988310.5281/zenodo.17988510.5281/zenodo.17988710.5281/zenodo.17988810.5281/zenodo.5631636 2023-04-13T23:32:48Z Erpobdella obscura (Verrill 1872) Synonym: Nephelopsis obscura Verrill 1872 Common name: Bait leech General distribution: Nearctic (Figures 2 H, 4 D, 6, 7, Tables 1, 2). Newfoundland: Survey: Site 7 (CMNA 2006 –0023), Site 18 (CMNA 2006 –0022); Museum specimen: CMNA 1900–5994; Literature: Pawlowski (1948) at Grand Falls. Labrador: Survey: Site 20 (CMNA 2006 –0021), Site 21 (CMNA 2006 –0020), Site 22 (CMNA 2006 – 0019), Site 23 (CMNA 2006 –0018), Site 28 (CMNA 2006 –0017), and Site 29 (CMNA 2006 –0016); Museum specimen: CMNA 1988 –0127 (Figure 4 D). Notes on the species. Verrill’s (1872) description of Erpobdella obscura strongly resembles some of the Newfoundland and Labrador specimens but there is also a previously unpublished color variation. Klemm (1985) describes the normal appearance of Erpobdella obscura (Figures 6 F, 7 B, E, I, J) as “color variable, dorsum greenish-brown, covered with sparse scattered black or light colored blotches, interlacing or irregular spots, or plain (uniform), no striping…” In Newfoundland and Labrador, we found Erpobdella obscura, with a pattern which we call ‘ringed’ because of horizontal dark pigment in the furrows between the annuli (Figure 7 A, D, F–H). These are remarkably similar to other ‘ringed’ specimens collected by J. Metcalfe-Smith in the Grand River, Ontario (north of Kitchener) at Winterbourne, Glen Morris, Upper Bellwood, and Elora Gorge (Figure 6, Table 3). Location Latitude Longitude Catalogue Number Catalogue Number Normal ‘Ringed’ The anatomy of ‘ringed’ forms was the same as normal specimens (Figure 6). Verrill (1874) had described the large mouth (Figure 6 A), the presence of 4 pairs of eyes (2 labial and 2 buccal) (Figure 6 B), the separation of the gonopores by 2 annuli (Figure 6 D), the partial subdivision of some annuli (Figures 6 B, D, E, 7 G, J), the large, raised anal orifice (Figure 6 E), and the spiraling of the ejaculatory ducts of Erpobdella obscura exiting the atrial cornua (Figure 6 C, G). The anatomy of both varieties was very similar in these ... Other/Unknown Material Newfoundland Zenodo Newfoundland Leech ENVELOPE(-99.667,-99.667,-72.250,-72.250) Metcalfe ENVELOPE(-66.942,-66.942,-67.976,-67.976) |
institution |
Open Polar |
collection |
Zenodo |
op_collection_id |
ftzenodo |
language |
unknown |
topic |
Biodiversity Taxonomy Animalia Annelida Clitellata Arhynchobdellida Erpobdellidae Erpobdella Erpobdella obscura |
spellingShingle |
Biodiversity Taxonomy Animalia Annelida Clitellata Arhynchobdellida Erpobdellidae Erpobdella Erpobdella obscura Madill, Jacqueline Hovingh, Peter Erpobdella obscura Verrill 1872 |
topic_facet |
Biodiversity Taxonomy Animalia Annelida Clitellata Arhynchobdellida Erpobdellidae Erpobdella Erpobdella obscura |
description |
Erpobdella obscura (Verrill 1872) Synonym: Nephelopsis obscura Verrill 1872 Common name: Bait leech General distribution: Nearctic (Figures 2 H, 4 D, 6, 7, Tables 1, 2). Newfoundland: Survey: Site 7 (CMNA 2006 –0023), Site 18 (CMNA 2006 –0022); Museum specimen: CMNA 1900–5994; Literature: Pawlowski (1948) at Grand Falls. Labrador: Survey: Site 20 (CMNA 2006 –0021), Site 21 (CMNA 2006 –0020), Site 22 (CMNA 2006 – 0019), Site 23 (CMNA 2006 –0018), Site 28 (CMNA 2006 –0017), and Site 29 (CMNA 2006 –0016); Museum specimen: CMNA 1988 –0127 (Figure 4 D). Notes on the species. Verrill’s (1872) description of Erpobdella obscura strongly resembles some of the Newfoundland and Labrador specimens but there is also a previously unpublished color variation. Klemm (1985) describes the normal appearance of Erpobdella obscura (Figures 6 F, 7 B, E, I, J) as “color variable, dorsum greenish-brown, covered with sparse scattered black or light colored blotches, interlacing or irregular spots, or plain (uniform), no striping…” In Newfoundland and Labrador, we found Erpobdella obscura, with a pattern which we call ‘ringed’ because of horizontal dark pigment in the furrows between the annuli (Figure 7 A, D, F–H). These are remarkably similar to other ‘ringed’ specimens collected by J. Metcalfe-Smith in the Grand River, Ontario (north of Kitchener) at Winterbourne, Glen Morris, Upper Bellwood, and Elora Gorge (Figure 6, Table 3). Location Latitude Longitude Catalogue Number Catalogue Number Normal ‘Ringed’ The anatomy of ‘ringed’ forms was the same as normal specimens (Figure 6). Verrill (1874) had described the large mouth (Figure 6 A), the presence of 4 pairs of eyes (2 labial and 2 buccal) (Figure 6 B), the separation of the gonopores by 2 annuli (Figure 6 D), the partial subdivision of some annuli (Figures 6 B, D, E, 7 G, J), the large, raised anal orifice (Figure 6 E), and the spiraling of the ejaculatory ducts of Erpobdella obscura exiting the atrial cornua (Figure 6 C, G). The anatomy of both varieties was very similar in these ... |
format |
Other/Unknown Material |
author |
Madill, Jacqueline Hovingh, Peter |
author_facet |
Madill, Jacqueline Hovingh, Peter |
author_sort |
Madill, Jacqueline |
title |
Erpobdella obscura Verrill 1872 |
title_short |
Erpobdella obscura Verrill 1872 |
title_full |
Erpobdella obscura Verrill 1872 |
title_fullStr |
Erpobdella obscura Verrill 1872 |
title_full_unstemmed |
Erpobdella obscura Verrill 1872 |
title_sort |
erpobdella obscura verrill 1872 |
publishDate |
2007 |
url |
https://zenodo.org/record/5631637 https://doi.org/10.5281/zenodo.5631637 |
long_lat |
ENVELOPE(-99.667,-99.667,-72.250,-72.250) ENVELOPE(-66.942,-66.942,-67.976,-67.976) |
geographic |
Newfoundland Leech Metcalfe |
geographic_facet |
Newfoundland Leech Metcalfe |
genre |
Newfoundland |
genre_facet |
Newfoundland |
op_source |
Freshwater leech (Annelida: Hirudinida) distribution in the Canadian Province of Newfoundland and Labrador and adjacent regions: check-list, new records, new pigmentation forms, and Pleistocene refugia, pp. 1-21 in Zootaxa 1657 11-16 |
op_relation |
info:eu-repo/semantics/altIdentifier/url/http://treatment.plazi.org/id/03C78785FF97CA4A3598FA69FC41873C doi:10.5281/zenodo.179881 http://publication.plazi.org/id/FFFEFFFDFF9DCA45350FFFC4FFBD8143 doi:10.5281/zenodo.179883 doi:10.5281/zenodo.179885 doi:10.5281/zenodo.179887 doi:10.5281/zenodo.179888 http://zoobank.org/4D1458EC-9129-49E8-B291-C230283832BC doi:10.5281/zenodo.5631636 https://zenodo.org/communities/biosyslit https://zenodo.org/record/5631637 https://doi.org/10.5281/zenodo.5631637 oai:zenodo.org:5631637 |
op_rights |
info:eu-repo/semantics/openAccess |
op_doi |
https://doi.org/10.5281/zenodo.563163710.5281/zenodo.17988110.5281/zenodo.17988310.5281/zenodo.17988510.5281/zenodo.17988710.5281/zenodo.17988810.5281/zenodo.5631636 |
_version_ |
1767964427395530752 |