Polydesmida, Leach, 1895

Riquelme, Francisco & Hernández-Patricio, Miguel, 2018, The millipedes and centipedes of Chiapas amber, Check List 14 (4), pp. 637-646 : 640-641

Polydesmida sp. indet.

Referred material. 11 specimens: MALM.301: juvenile ( Fig. 3A, B), MALM.302: Juvenile ( Fig 3A, B), MALM.310: adult of indeterminate sex ( Fig. 3A, B); MALM.311 ( Fig. 3A, B): Juvenile, MALM.312 ( Fig. 3A, B): juvenile; CPAL.103: juvenile; CPAL.107: juvenile; CPAL.108: juvenile ( Fig. 3F), CPAL.113: juvenile; CPAL.106: adult female; MACH.21: adult of indeterminate sex.

Riquelme and Hernández-Patricio | Millipedes and centipedes of Chiapas amber 641

Locality. CPAL.103, CPAL.113, MALM.301, MALM.302, MALM.310, MALM.311, and MALM.312: Mexico, Chiapas: Simojovel: La Pimienta site, 17°08ʹ29ʺ N, 092°45ʹ46ʺ W. CPAL.106 and CPAL.107: Mexico, Chiapas, Simojovel, Guadalupe Victoria site, 17°07ʹ58ʺ N, 092°48ʹ19ʺ W. MACH.21: Mexico, Chiapas: Simojovel: Los Pocitos site, 17°08ʹ18ʺ N, 092°43ʹ41ʺ W. CPAL.108: Mexico, Chiapas: Totolapa: Río Salado site, 16°32ʹ42ʺ N, 092°40ʹ58ʺ W.

Identification. Head without eyes, antennae with 7 antennomeres plus 4 sensorial cones, labrum tridentate, body with 12 rings or less in immature specimens: CPAL.103, CPAL.107, CPAL.108, CPAL.113, MAL.M301, MALM. 302, MALM.311, and MALM.312, metazonite with short lateral projections, CPAL.106 with 18 rings, MALM.310 with 20 rings, and MACH.21 with 20 rings, they are adult specimens but badly damaged, so no judgment is made as to their specific taxonomic position.

Order Polydesmida Leach, 1895

Suborder Leptodesmidea Brölemann, 1916

Superfamily Xystodesmoidea Cook, 1895

Family Xystodesmidae Cook, 1895