On the Oxyurid Nematode, Pharyngodon mamillatus in the Skink, Novoeumeces schneideri (Lacertilia: Scincidae) from Egypt

Amer, Omar S. O.; Bursey, Charles R.

doi:10.1654/4338.1

Cited by 5 publications

(6 citation statements)

References 4 publications

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“…The most prominent variations in measurement appear in the body length, esophagus length, excretory pore, and vulva distances from the anterior end of the worm. Our measurements are smaller than those of Al‐Bassel and El‐Damarany (2002), Amer and Bursey (2008), Rabie et al (2012), and Ibraheem et al (2017); but these variations may be due to host features, environmental attributes, the intensity of parasite infection, general morphology of parasite species, and gene–environment interactions.…”

Section: Discussioncontrasting

confidence: 73%

“…Al‐Bassel and El‐Damarany (2002) studied the morphology of P. mamillatus from T. annularis in Fayoum. Amer and Bursey (2008) recovered more than 100 individuals of P. mamillatus from N. schneideri in Cairo. Rabie et al (2012) reported P. mamillatus from Mabuya quinquetaeniata , Ptyodactylus hasselquistti , T. annularis and Hemidactylus turcicus in Qena.…”

Section: Introductionmentioning

confidence: 99%

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Pharyngodon mamillatus (Nematoda: Pharyngodonidae) in the ocellated skink Chalcides ocellatus (Squamata: Scincidae) from Egypt: Light and scanning electron microscopic studies

Abdel-Ghaffar

Varjabedian

Fol

et al. 2022

Microscopy Res & Technique

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Twenty-one Pharyngodon mamillatus were recovered from the large intestine of 4 out of 12 ocellated skink Chalcides ocellatus collected from the South Sinai desert, Egypt. The prevalence of infection was 33.33% (intensity 2-4). The recovered pharyngodonid was re-described based on light and scanning electron microscopy.According to the morphology, it was characterized by regular transverse annulations extending from the posterior margin of the lips to the level of the anus, triangular mouth opening was surrounded by three large bilobed lips possessing three papillae, oval-shaped excretory pore, slit-like vulva opening, and slit-like anal ventral opening at the posterior end which terminates with a tail filament. Here, the morphometric measurements of adult female P. mamillatus were given in this study. It has no intraspecific morphological variations from the previously described P. mamillatus, but it appeared with small range on biometric features. These variations may be accounted by host/environment attributes since they exhibit wide host and geographical spectra. The present study was applied for detailed morphological knowledge of the recovered P. mamillatus for strengthening their taxonomic validity. Highlights• The Pharyngodon mamillatus naturally parasite of the intestinal region of Chalcides ocellatus.• The present study clarifies the morphological key for the description of P. mamillatus.

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Section: Discussioncontrasting

confidence: 73%

Section: Introductionmentioning

confidence: 99%

Pharyngodon mamillatus (Nematoda: Pharyngodonidae) in the ocellated skink Chalcides ocellatus (Squamata: Scincidae) from Egypt: Light and scanning electron microscopic studies

Abdel-Ghaffar

Varjabedian

Fol

et al. 2022

Microscopy Res & Technique

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“…Other reports: Chalcides ocellatus (Moravec et al, 1987;Al-Deen et al, 1995;; Algerian skink, Eumeces algeriensis (Chabaud and Golvan, 1957); E. schneideri (Sharpilo, 1976;Goldberg et al, 2003;Amer and Bursey, 2008); Eumeces sp. (Baylis, 1923); alpine Punjab skink, Eurylepis taeniolatus (Sharpilo, 1976); H. turcicus (Al-Deen et al, 1995), levantine viper, Macrovipera lebetina (Sharpilo, 1976).…”

Section: Site Of Infection: Small and Large Intestinementioning

confidence: 98%

Helminth Parasites of the Ocellated Skink,Chalcides ocellatus(Forskal, 1775) (Scincidae) from Turkey

Incedoğan

Yildirimhan

Bursey

2014

Comparative Parasitology

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“…These were identified as robust nematodes with prominent annulations beginning just behind cephalic extremity and continuing to anus. Following previous descriptions (Lucker, 1952;Skrjabin et al, 1967;Ashour et al, 1992;Amer & Bursey, 2008;Mašová et al, 2009;Er-Rguibi et al, 2022) samples from hosts of the genus Chalcides were identified as Thelandros alatus or Parapharyngodon micipsae. All other samples were identified as belonging to the genus Spauligodon.…”

Section: Resultsmentioning

confidence: 80%

“…Faecal pellets were inspected for nematodes using a stereomicroscope. Specimens were mounted on temporary slides with a glycerol : water (1 : 1) solution, after which they were identified under a microscope, based on previous descriptions ( Lucker, 1952 ; Skrjabin et al, 1967; Ashour et al, 1992 ; Amer & Bursey, 2008 ; Mašová et al, 2009 ; Pereira et al, 2017 ). All extracted specimens were photographed as a record.…”

Section: Methodsmentioning

confidence: 99%

A phylogenetic assessment of nematodes (Oxyuroidea: Pharyngodonidae) infecting Moroccan lizards

et al. 2022

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Summary Molecular tools can be used to estimate the phylogeny of species and to identify cryptic diversity, but their use for parasites has lagged behind that of free-ranging organisms. As an example, in North Africa there is minimal molecular data available for helminth parasites of lizards. In this work we used two molecular markers (the nuclear 18S rRNA and the mitochondrial Cytochrome c Oxidase subunit 1) to investigate the diversity of nematodes of the family Pharyngodonidae parasitizing three genera of lizards from Morocco (Chalcides, Quedenfeldtia and Tarentola) and to explore their co-evolutionary history. Morphological assessments indicated that members of three genera were present: Spauligodon, Thelandros, and Parapharyngodon. Phylogenetic analysis of 18S rRNA sequences indicated the monophyly of the genus Spauligodon, and that some lineages could be distinguished, including Spauligodon auziensis from the host species Tarentola mauritanica, and another unnamed lineage from hosts of the genus Chalcides. However, with this slow-evolving marker some species could not be distinguished. The genus Thelandros was not monophyletic, although relationships were not strongly supported. Analysis of the faster evolving mitochondrial marker clearly separated various species of Spauligodon, as well as distinct unnamed lineages identified in the host genus Chalcides and the host Quedenfeldtia moerens.

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On the Oxyurid Nematode, Pharyngodon mamillatus in the Skink, Novoeumeces schneideri (Lacertilia: Scincidae) from Egypt

Cited by 5 publications

References 4 publications

Pharyngodon mamillatus (Nematoda: Pharyngodonidae) in the ocellated skink Chalcides ocellatus (Squamata: Scincidae) from Egypt: Light and scanning electron microscopic studies

Pharyngodon mamillatus (Nematoda: Pharyngodonidae) in the ocellated skink Chalcides ocellatus (Squamata: Scincidae) from Egypt: Light and scanning electron microscopic studies

Helminth Parasites of the Ocellated Skink,Chalcides ocellatus(Forskal, 1775) (Scincidae) from Turkey

A phylogenetic assessment of nematodes (Oxyuroidea: Pharyngodonidae) infecting Moroccan lizards

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