The methodologies and resources which were used to cultivate Globorotalia truncatulinoides and other non-spinose planktic foraminiferal species, such as Globorotalia menardii, are described in this release and in more detail in Reynolds and others (2025). Several specimens (n=69) were collected via plankton tows from the upper 200 meters (m) of the water column from the northern Gulf of America in February 2020, December 2021, and November 2022. Size measurements and growth, notes and observations, and ...