-98.672775, 16.583055: 10 Treatments

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Phrynus giseae   sp. nov.  Joya, Daniel Chirivi, 2021, Four new species of Phrynus, Lamarck (Arachnida: Amblypygi) from Mexico, Zootaxa 4948 (2), pp. 151-183: 167-171 167-171
Phascolosoma (Phascolosoma) perlucens     Silva-Morales, Itzahí & Gómez-Vásquez, Julio D., 2021, First records and two new species of sipunculans (Sipuncula) from the Southern Mexican Pacific, European Journal of Taxonomy 740 (1), pp. 77-117: 88-89 88-89
Phyllodocida     Cruz-Gómez, Christopher & Bastida-Zavala, J. Rolando, 2018, Chrysopetalids (Phyllodocida: Chrysopetalidae) from the southern Mexican Pacific, including a new species, Zootaxa 4521 (1), pp. 61-88: 77-82 77-82
Hemiptera     Brailovsky, Harry & Barrera, Ernesto, 2017, A review of the Mexican species of Alloeorhynchus Fieber (Hemiptera: Heteroptera: Nabidae: Prostemmatinae) with description of six new species, new distributional records, and key to the species, Zootaxa 4338 (2), pp. 305-318: 314-315 314-315
Phragmatopoma digitata     Chávez-López, Yessica, 2020, New species and new records of Phragmatopoma (Polychaeta: Sabellariidae) from Tropical America, Zootaxa 4845 (3), pp. 301-330: 310-315 310-315
Dardanus nudus   n. sp.  Parente, Manuel Ayón & Hendrickx, Michel E., 2009, 2323, Zootaxa 2323, pp. 1-71: 14-27 14-27
Dardanus janethaigae   n. sp.  Parente, Manuel Ayón & Hendrickx, Michel E., 2009, 2323, Zootaxa 2323, pp. 1-71: 40-52 40-52
Limnocoris pygmaeus     Reynoso-Velasco, Daniel, 2020, A new species of Limnocoris Stål (Heteroptera: Naucoridae: Limnocorinae) and new state records for species of the genus in Mexico, Zootaxa 4860 (3), pp. 375-392: 383 383
Ophioderma hendleri   sp. nov.  Granja-Fernández, Rebeca, Pineda-Enríquez, Tania, Solís-Marín, Francisco Alonso & Laguarda-Figueras, Alfredo, 2020, Ophioderma hendleri sp. nov. (Echinodermata: Ophiuroidea: Ophiodermatidae) and its congeners from the Eastern Pacific, European Journal of Taxonomy 729, pp. 11-41: 14-23 14-23
Dardanus stimpsoni   n. sp.  Parente, Manuel Ayón & Hendrickx, Michel E., 2009, 2323, Zootaxa 2323, pp. 1-71: 27-40 27-40