-96.51056, 15.660277: 18 Treatments

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Tinggianthura mexicana   sp. nov.  Jarquín-Martínez, Ubaldo & García-Madrigal, María del Socorro, 2021, Six new species of Anthuridae (Peracarida: Isopoda) from the southern Mexican Pacific, European Journal of Taxonomy 760 (1), pp. 61-100 : 91-96 91-96
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
Apionsoma (Edmondsius) pectinatum     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 : 95-97 95-97
Megalomma pacifici     Tovar-Hernández, María Ana & Carrera-Parra, Luis F., 2011, Megalomma Johansson, 1925 (Polychaeta: Sabellidae) from America and other world-wide localities, and phylogenetic relationships within the genus 2861, Zootaxa 2861 (1), pp. 1-71 : 44 44
Callioplana marianae   sp. nov.  Ramos-Sánchez, Mariela, 2024, The polyclads (Platyhelminthes: Polycladida) from the Tropical Eastern Pacific: Commented checklist and description of a new species, European Journal of Taxonomy 962 (1), pp. 1-67 : 3-9 3-9
Aspidosiphon (Paraspidosiphon) cutleri   sp. nov.  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 : 99-101 99-101
Phascolosoma (Phascolosoma) puntarenae     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 : 91 91
Pleonosporium rhizoideum     Mateo-Cid, Luz Elena, Mendoza-González, A. Catalina, Norris, James N. & García-López, Deisy Y., 2018, A taxonomic account of species in the tribe Spongoclonieae (Ceramiaceae, Ceramiales, Rhodophyta) reported from Atlantic and Pacific Mexico, Phytotaxa 340 (3), pp. 229-245 : 236 236
Aspidosiphon (Paraspidosiphon) pastori   sp. nov.  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 : 101-103 101-103
Dynamena crisioides     Humara-Gil, Karla J. & Cruz-Gómez, Christopher, 2018, New records of benthic hydroids (Cnidaria: Hydrozoa) from the coast of Oaxaca, Mexico, Zootaxa 4455 (3), pp. 454-470 : 464 464
Chrysopetalum occidentale     Cruz-Gómez, Christopher, 2021, A new genus and seven new species of chrysopetalids (Annelida, Chrysopetalidae) from the Tropical Eastern Pacific, Zootaxa 5068 (1), pp. 1-59 : 43 43
Kyrtuthrix huatulcensis   sp. nov.  León-Tejera, Hilda, González-Resendiz, Laura, Johansen, Jeffrey R., Segal-Kischinevzky, Claudia, Escobar-Sánchez, Viviana & Alba-Lois, Luisa, 2016, Phylogenetic position reevaluation of Kyrtuthrix and description of a new species K. huatulcensis from Mexico´s Pacific coast, Phytotaxa 278 (1), pp. 1-18 : 8-13 8-13
Aspidosiphon (Aspidosiphon) elegans     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 : 97-99 97-99
Mesanthura antenniformis   sp. nov.  Jarquín-Martínez, Ubaldo & García-Madrigal, María del Socorro, 2021, Six new species of Anthuridae (Peracarida: Isopoda) from the southern Mexican Pacific, European Journal of Taxonomy 760 (1), pp. 61-100 : 74-79 74-79
Chrysopetalum elegantoides     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 : 66-68 66-68
Chrysopetalum occidentale     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 : 71-72 71-72
Boninia oaxaquensis   sp. nov.  Ramos-Sánchez, Mariela, Bahia, Juliana & Bastida-Zavala, J. Rolando, 2020, Five new species of cotylean flatworms (Platyhelminthes: Polycladida: Cotylea) from Oaxaca, southern Mexican Pacific, Zootaxa 4819 (1), pp. 49-83 : 51-52 51-52
Apionsoma (Apionsoma) hespera   comb. nov.  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 : 93-95 93-95