Pheretima ceramensis (Cognetti, 1922)

James, Samuel W., 2004, New Species Of Amynthas, Pheretima And Pleionogaster (Clitellata: Megascolecidae) Of The Mt. Kitanglad Range, Mindanao Island, Philippines, Raffles Bulletin of Zoology 52 (2), pp. 289-313 : 299

publication ID

https://doi.org/ 10.5281/zenodo.4618925

DOI

https://doi.org/10.5281/zenodo.4618758

persistent identifier

https://treatment.plazi.org/id/9918E954-FFBE-E06A-0B74-FB3F50E7FE18

treatment provided by

Carolina

scientific name

Pheretima ceramensis
status

 

Pheretima ceramensis

Pheretima ceramensis Cognetti, 1922: p.1 .

Material examined. – Type - 1 adult ( BMNH 1921.7.30.7/8), Ceram, Indonesia, coll. Pratt, no date .

Description. – Dusky pigmentation, no stripes; 160mm x 13 mm (viii), 7-8 mm elsewhere. Spermathecal pores 7/8, 5 mm apart; male pores xviii 5 mm apart in 6 th setal line, one seta between male pores; female pore single; no genital markings.

Septa 4/5-7/8, 10/11-13/14 muscular, 8/9 membranous, 9/10 absent; nephridial masses on anterior faces of septa 5/6/7. Large gizzard viii, esophagus vascular but not lamellar xixiii, intestinal origin _xv, typhlosole low thin fold from xxvii; 36 longitudinal vessels in intestinal wall; caeca origin xxvii, extends forward to xxiv, simple with smooth margins.

Lateral commissures vii-ix, hearts x-xiii esophageal; supraesophageal vessel visible x-xiii, extraesophageal vessel receives posterior latero-parietal vessels in xiii; these vessels extend from clitellum segments forward to xiii.

Spermathecae in vii, large rounded ampulla filled with coagulated material, soil particles, and small ovate discs <1mm diam.; duct short, broad; diverticulum stalk short, straight, chamber sausage-shaped. Holandric, testes sacs paired, ventral; seminal vesicles xi, xii acinous with dorsal appendage; vasa deferentia slightly muscularized, distinctly two tubules but adherent, becoming fused towards junction with ental end of prostatic duct; prostates in four lobes wrapped around large hemispherical copulatory pouch, duct enters apex of pouch; pouch muscular in external appearance, with thick blocky penis from roof, floor with four oval pads, two medial and two lateral to copulatory pouch opening.

Kingdom

Animalia

Phylum

Annelida

Class

Clitellata

Order

Opisthopora

Family

Megascolecidae

Genus

Pheretima

Loc

Pheretima ceramensis

James, Samuel W. 2004
2004
Loc

Pheretima ceramensis

Cognetti 1922: 1
1922
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