Itaipusa divae Marcus, 1949 | February 7 & May 15, 2016; April 4, 2017 | intertidal up to 0.6 m deep | fine-grained sand | |
Itaipusa aberrans Diez, Aguirre, Reygel, & Artois, 2021 | April 5, 2017 | 0.3 m | fine-grained sand rich in organic matter | |
Reinhardorhynchus ruffinjonesi (Karling, 1978) | March 22, 2017 | intertidal | sand with organic matter | |
Reinhardorhynchus beatrizae Diez, Aguirre, Reygel, & Artois, 2021 | September 4, 2016; March 22 & June 5, 2017 | intertidal (upper 10 cm) up to 0.5 m deep | fine-grained sand (intertidal) and fine-grained sand rich in organic matter (deeper) | |
Carcharodorhynchus smilodon Diez, Reygel, & Artois, 2019 | pre-2019 | | | |
Carcharodorhynchus spiniferus Diez, Reygel, & Artois, 2019 | pre-2019 | | | |
Cheliplana santiaguera Diez, Reygel, & Artois, 2019 | pre-2019 | | | |
Schizochilus favus Diez, Reygel, & Artois, 2019 | pre-2019 | | | |
Schizochilus maximus Diez, Reygel, & Artois, 2019 | pre-2019 | | | |