Eucholoeops Ameghino, 1887 (Xenarthra, Tardigrada, Megalonychidae) from the Santa Cruz Formation, Argentine Patagonia: implications for the systematics of Santacrucian sloths Author Iuliis, Gerardo De Author Pujos, François Author Toledo, Nestor Author Bargo, Susana Author Vizcaíno, Sergio F. text Geodiversitas 2014 2014-06-27 36 2 209 255 http://dx.doi.org/10.5252/g2014n2a2 journal article 6400 10.5252/g2014n2a2 8c6824d6-3cdc-404b-a2aa-35080929454b 1638-9395 4538397

TABLE 2. — Mandible and lower tooth measurements of Eucholoeops ingens Ameghino, 1887 (measurements in mm). Abbreviations: dentition: c1, transverse/mesiodistal diameters of caniniform (or its alveolus); m1-m3, transverse/mesiodistal diameters of molari- form teeth (or their alveoli); H Ramus, maximal height of horizontal ramus at m3; L c1-m3, length from the mesial margin of c1 to the distal margin of m3 (or anterior and posterior margins, respectively, of their alveoli); L Dias Mand, length of mandibular diastema; L Mand, maximal mandibular length from anterior margin of spout to posterior margin of mandibular condyle; L m1-m3, length from the mesial margin of m1 to distal margin of m3 (or anterior and posterior margins, respectively, of their alveoli); L Spout, length of the spout from anterior to posterior margins of mandibular symphysis; L, left; R, right; *, measurements from Ameghino (1887); specimen not formally assigned to E. ingens, see text.

			MACN A-4641	Without catalogue
Catalogue	MPM-PV 3401		(type of	number (type of
number	(neotype)	FMNH P13125	E. externus)	E. ingens)*
Dentition
c1	9.2/9.6	7.2/8.2	8.2/8.8	–/11
m1	12.0/7.8	11.9/8.4	10.1/7.7	–
m2	11.8/7.6	12.3/8.4	10.6/7.1	–
m3	R 10.4/10.0	10.2/9.7	9.6/8.8	–
L 10.4/10.5
H Ramus	36.2	–	31.4	35
L c1-m3	46.1		47.3	55
L Dias Mand	9.8	7.9	–	13
L Mand	140.4	–	–	–
L m1-m3	28.4	29.4	27.8	31
L Spout	33.7	–	–	35