De Ward, C. T. P. (2004). New species of Hopperia (Nematoda, Comesomatidae) and Metachromadora (Nematoda, Desmodoridae) from Patagonia, Chubut, Argentina. Zootaxa. 542 : 1-15.
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De Ward, C. T. P.
2004
New species of Hopperia (Nematoda, Comesomatidae) and Metachromadora (Nematoda, Desmodoridae) from Patagonia, Chubut, Argentina
One new Comesomatidae species and one new Desmodoridae species from the Gulfs of San José
and San Matías, Chubut province are described: Hopperia patagonica sp. n. is characterized by the
shape of odontia on anterior end (one big and two smaller teeth on each); odontia length in relation
to the amphid length; values of b and R3, short body length (L: 1370–1500?m) and the de Man’s
ratios ( b: 10.3–11.7). Metachromadora zaixsi sp. n. is characterized by the absence of pre-cloacal
supplements, the presence of four cephalic setae and the de Man’s ratios (b: 4.7–7.2). Keys are provided
for both species.