File:Ironus americanus.jpg

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DescriptionIronus americanus.jpg	Fig. 781. Ironus americanus. I, head and anterior portion of neck; II, head, lateral view "teeth" extruded; III, head, " teeth " withdrawn with second set formed in preparation for the next moult; IV, tail end of female. a, one of the three pharyngeal teeth, shown extruded; b, papilla; c, cephalic seta; d, amphid; e, pharynx; j, toothlet; g, toothlet; k, esophagus; i, lining of esophagus; j, nerve-ring; k, intestine; l, anus; m, caudal gland; n, terminus. (After Cobb.)
Date	1918
Source	https://www.flickr.com/photos/internetarchivebookimages/20799129195/in/photolist-xF7LoY-7essRs-xDCz9u-xFWYtM
Author	Ward, Henry Baldwin, 1865-1945; Whipple, George Chandler, 1866-1924., Fresh-water biology.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	19:00, 30 August 2019		688 × 886 (191 KB)	Rasbak (talk \| contribs)	{{Information \|Description=''Ironus americanus''. Fig. 781. Ironus americanus. I, head and anterior portion of neck; II, head, lateral view "teeth" ex- truded; III, head, " teeth " withdrawn with second set formed in preparation for the next moult; IV, tail end of female. a, one of the three pharyngeal teeth, shown extruded; b, papilla; c, cephalic seta; d, amphid; e, pharynx; j, toothlet; g, toothlet; k, esopha^; i, lining of esophagus; j, nerve-nng; k, intestine; /, anus; m, caudal gland; n...

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