Subspecies:
Astacolus longaeformis subsp. maxima >
Species:
Astacolus longaeformis >
Genus:
Astacolus >
Subfamily:
Marginulininae >
Family:
Vaginulinidae >
Order:
Vaginulinida >
Subclass:
Nodosariana >
Class:
Nodosariata >
Phylum:
Foraminifera >
Kingdom:
Chromista >
Unranked:
Biota >