期刊
SYSTEMATICS AND BIODIVERSITY
卷 21, 期 1, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/14772000.2023.2189898
关键词
Apophallus lari; Apophallus microtestis; Apophallus zalophi; Circus aeruginosus; Lutra lutra; Phocidae; species-identification; Vulpes vulpes
Based on morphological, biological, and molecular data, we redescribed A. donicus s. str. and renamed A. donicus auct. non Skrjabin & Lindrop, 1919 to A. lari (Leonov, 1957). Molecular evidence suggests polyphyly of the Apophallinae, with two sibling species within one of the nominal species A. donicus. We also resurrected the genus Pricetrema for A. zalophi, as it clustered closer to Liliatrema than to other Apophallus spp. Additionally, we abolished the Liliatrematinae and moved Liliatrema into the Apophallinae. The updated concept of the Apophallinae now includes three genera, Apophallus, Liliatrema, and Pricetrema.
According to the current taxonomic concept, the Apophallinae Ciurea, 1924 is a monotypic subfamily of the Opisthorchiidae that comprises species with a median permanent ventrogenital sac containing a well-developed ventral sucker and two gonotyls. A recently formulated molecular hypothesis suggests polyphyly of this subfamily and the presence of two sibling species within one of the nominal species A. donicus Skrjabin & Lindrop, 1919. In this paper, we redescribed A. donicus s. str. and renamed A. donicus auct. non Skrjabin & Lindrop, 1919 to A. lari (Leonov, 1957) based on morphological, biological and molecular (mitochondrial cox1 gene fragments) data. The main morphological differences between species are the length of the distance between the anterior end of the body and the anterior extremity of the vitellarium as a ratio to the forebody length, and the shape of the anterior vitelline follicles. We also aimed to test the monophyly of the Apophallinae through nuclear-ribosomal molecular markers 18S + 28S rDNA. Tree topology showed Apophallus zalophi (Price, 1932) clustered closer to Liliatrema Gubanov, 1953 than to the other Apophallus spp. As a result, we resurrect the genus Pricetrema Ciurea, 1933 that earlier was proposed for A. zalophi and abolish the Liliatrematinae Gubanov, 1953 with removal of Liliatrema into the Apophallinae. Thus, according to the updated concept, the Apophallinae contains three genera, Apophallus Luhe, 1909, Liliatrema and Pricetrema, two of which (Apophallus, Pricetrema) have the ventrogenital sac with two gonotyls and one (Liliatrema) has a genital sac without gonotyls.
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