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15908

Describing variations and taxonomic status of earthworms collected from selected areas in Misamis Oriental, Philippines using principal component and parsimony analysis

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Last updated: 22 Jan 2023

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Abstract

The present study describes variations and determines the taxonomic status of the collected earthworms from selected areas in Misamis Oriental and Cagayan de Oro city. Principal component and parsimony analyses were used to describe variations and groupings in collected earthworm individuals. Of the five groups of earthworms determined and described, one group was found to be allochthonous and anthropochorous. Cladistic analysis yielded a strict consensus tree with a length of 253 steps, consistency index =50 and retention index =69. Four groups were identified to belong to Family Megascolecidae, and one group to Family Eudrilidae. Differences observed were attributed to the number and pattern of genital markings, prostomium type, and the number and location of spermathecae. None of the four new megascolecid groups completely match with the nearest genera of Oriental megascolecids. The results of the study clearly indicate the existence of the five new species of earthworms.

DOI

10.21608/eajbsz.2010.15908

Keywords

Taxonomy, allochthonous, anthropochorous, cladistic

Authors

First Name

Dennis

Last Name

Apuan

MiddleName

A.

Affiliation

Department of Agricultural Sciences, College of Agriculture Xavier University. Cagayan de Oro City, Philippines

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Orcid

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First Name

Mark

Last Name

Torres

MiddleName

Anthony J.

Affiliation

Department of Biological Sciences, College of Science and Mathematics, MSU-Iligan Institute of Technology, Iligan City, Philippines

Email

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City

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Orcid

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First Name

Cesar

Last Name

Demayo

MiddleName

G.

Affiliation

Department of Biological Sciences, College of Science and Mathematics, MSU-Iligan Institute of Technology, Iligan City, Philippines

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Volume

2

Article Issue

1

Related Issue

3419

Issue Date

2010-06-01

Receive Date

2018-10-04

Publish Date

2010-06-01

Page Start

2

Page End

36

Print ISSN

2090-0759

Online ISSN

2090-0821

Article File

EAJBSZ_Volume 2_Issue 1_Pages 2-36.pdf

PDF . 575.6kB

Link

https://eajbsz.journals.ekb.eg/article_15908.html

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https://eajbsz.journals.ekb.eg/service?article_code=15908

Order

4

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Original Article

Type Code

672

Publication Type

Journal

Publication Title

Egyptian Academic Journal of Biological Sciences, B. Zoology

Publication Link

https://eajbsz.journals.ekb.eg/

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Article

Created At

22 Jan 2023