ICZN rules—a farewell to Tubificidae (Annelida, Clitellata)

Erséus, Christer; Wetzel, Mark J.; Gustavsson, Lena M.

doi:10.11646/zootaxa.1744.1.7

Cited by 111 publications

(74 citation statements)

References 13 publications

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“…There were 19 taxa inventoried from the total of 4.311 specimens collected, belonging to the families Naididae (69.35%) (including representatives of the former family Tubificidae) (Erséus et al 2008) and Enchytraeidae (30.60%). The Enchytraeidae were identified only as a family and the Megadrili (0.05%) only as a superorder.…”

Section: Resultsmentioning

confidence: 99%

Inventory and distribution of Oligochaeta (Annelida, Clitellata) in first-order streams in preserved areas of the state of Minas Gerais, Brazil

2013

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Data resulting from species inventories shed light on the richness and distribution of various groups. In Minas Gerais, work on inventory and distribution of the oligochaetes of lotic environments in preserved areas are non-existent. Therefore, this study aimed to inventory the limnic oligochaetes fauna of first-order streams located in four preserved areas, to expand knowledge of the ecology and distribution of this group. In total, 19 taxa were inventoried, belonging to the families Naididae and Enchytraeidae and the superorder Megadrili (earthworms), with the genus Pristina having the largest number of species. The number of species found in this investigation corresponds to 22% of oligochaetes species recorded in Brazilian aquatic environments. The results obtained add important knowledge of the distribution of some oligochaetes species in Brazil, represent the first records of species for the four preserved areas studied and confirm the first occurrence of various species in the state. Keywords: biodiversity, Rock Fields, Atlantic Forest, Naididae, litter, oligochaetes, Enchytraeidae. RODRIGUES, L.F.T., LEITE, F.S. & ALVES, R.G. Inventário e distribuição de Oligochaeta (Annelida,Clitellata) em córregos de primeira ordem localizados em áreas preservadas do estado de Minas Gerais, Brasil. Biota Neotrop. 13(1): http://www.biotaneotropica.org.br/v13n1/pt/abstract?inventory+bn02313012013Resumo: Os dados resultantes de um levantamento fornecem informações sobre a riqueza e distribuição de diversos grupos. Em Minas Gerais, trabalhos sobre inventário e distribuição de oligoquetas de ambientes lóticos em áreas preservadas são inexistentes. Dessa forma, este estudo objetivou inventariar a fauna de oligoquetas límnicos de córregos de primeira ordem localizados em quatro áreas preservadas, visando ampliar as informações sobre ecologia e distribuição deste grupo. Foram inventariados 19 taxa pertencentes às famílias Naididae, Enchytraeidae e à superordem Megadrili, sendo o gênero Pristina o de maior número de espécies. O número de espécies encontradas neste trabalho corresponde a 22% das espécies de oligoquetas registrados em ambientes aquáticos brasileiros. Os resultados obtidos ampliam o conhecimento sobre a distribuição de algumas espécies de oligoquetas no Brasil, representam os primeiros registros de espécies para as quatro áreas preservadas estudadas e confirmam a primeira ocorrência de várias espécies no Estado. Palavras-chave : biodiversidade, Campos Rupestres, Mata Atlântica, Naididae, folhiço, oligoquetas, Enchytraeidae. Martins et al. ( , 2011 and Suriani-Affonso et al. (2011), the number in the state has increased to 23. The true number is probably even higher, because ecological studies often record new species not considered in official records. In this context, the present study aimed to inventory the limnic oligochaete fauna in first-order streams in preserved areas, to expand the information about the ecology and distribution of this group.

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Section: Resultsmentioning

confidence: 99%

Inventory and distribution of Oligochaeta (Annelida, Clitellata) in first-order streams in preserved areas of the state of Minas Gerais, Brazil

2013

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“…Stained and unstained material was then passed through an ethanolxylol gradation series and whole-mounted in Canada balsam. Some Naididae [including the former families Naididae Ehrenberg, 1828 and TubiWcidae Vejdovský, 1876 according to the rule of ICZN (ICZN 2007: Opinion 2167; see also Erséus et al (2008)] were dissected prior to mounting. For accurate identiWcation and complete description of some taxa, additional samples were taken in selected stations for in vivo observations.…”

Section: Methodsmentioning

confidence: 99%

Polychaetes and oligochaetes associated with intertidal rocky shores in a semi-enclosed industrial and urban embayment, with the description of two new species

et al. 2009

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The species composition and relative abundance of the annelid benthic macrofauna (Polychaeta and Oligochaeta) inhabiting the rocky intertidal zone of the ria of Ferrol (Galicia, NW Spain) were studied during Weld collections, from 2000 to 2002. A total of 14,619 specimens (11,585 polychaetes belonging to 76 species and 24 families and 3,034 oligochaetes belonging to 18 species and two families) were collected from 98 quantitative samples taken from 13 sampling sites. The general spatial distribution of the annelid fauna reXects an increase of the diversity from the inner to the outer part of the ria. The general patterns found in the annelid composition suggest that the assemblages were dominated by oligochaetes in the inner sheltered sampling sites and polychaetes in the outer more exposed sites. Several faunistical and taxonomical remarks on selected species are presented. Two new species of oligochaetes are described: Coralliodrilus artabrensis sp. n. and Pirodrilus fungithecatus sp. n. (Naididae, Phallodrilinae). A new biological index, based on the oligochaete/ polychaete ratio (O/P), is proposed as tool to evaluate environmental quality and to monitor future changes in the environment.

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“…Naidines sensu lato (Naidinae, Pristininae, and close relatives) are a group of small aquatic oligochaetes, many of which reproduce asexually by fission (13)(14)(15)(16). The most common mode of fission in this group is paratomic fission, in which a new head and tail are intercalated in the middle of the body within a region referred to as the fission zone, thus forming transiently linked individuals (Fig.…”

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confidence: 99%

Latent regeneration abilities persist following recent evolutionary loss in asexual annelids

Bely

Sikes

2009

Proc. Natl. Acad. Sci. U.S.A.

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Regeneration abilities have been repeatedly lost in many animal phyla. However, because regeneration research has focused almost exclusively on highly regenerative taxa or on comparisons between regenerating and nonregenerating taxa that are deeply diverged, virtually nothing is known about how regeneration loss occurs. Here, we show that, following a recent evolutionary loss of regeneration, regenerative abilities can remain latent and still be elicited. Using comparative regeneration experiments and a molecular phylogeny, we show that ancestral head regeneration abilities have been lost three times among naidine annelids, a group of small aquatic worms that typically reproduce asexually by fission. In all three lineages incapable of head regeneration, worms consistently seal the wound but fail to progress to the first stage of tissue replacement. However, despite this coarse-level convergence in regeneration loss, further investigation of two of these lineages reveals marked differences in how much of the regeneration machinery has been abolished. Most notably, in a species representing one of these two lineages, but not in a representative of the other, amputation within a narrow proliferative region that forms during fission can still elicit regeneration of an essentially normal head. Thus, the presence at the wound site of elements characteristic of actively growing tissues, such as activated stem cells or growth factors, may permit blocks to regeneration to be circumvented, allowing latent regeneration abilities to be manifested. regeneration loss | Annelida | asexual reproduction | evolution

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ICZN rules—a farewell to Tubificidae (Annelida, Clitellata)

Cited by 111 publications

References 13 publications

Inventory and distribution of Oligochaeta (Annelida, Clitellata) in first-order streams in preserved areas of the state of Minas Gerais, Brazil

Inventory and distribution of Oligochaeta (Annelida, Clitellata) in first-order streams in preserved areas of the state of Minas Gerais, Brazil

Polychaetes and oligochaetes associated with intertidal rocky shores in a semi-enclosed industrial and urban embayment, with the description of two new species

Latent regeneration abilities persist following recent evolutionary loss in asexual annelids

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