Children (11 direct children, 11 direct and indirect children):
Synarthrophyton patena
Synarthrophyton pseudosorus
Synarthrophyton munimentum
Synarthrophyton robbenense
Synarthrophyton papillatum
Synarthrophyton eckloniae
Synarthrophyton magellanicum
Synarthrophyton neglectum
Synarthrophyton schmitzii
Synarthrophyton schielianum
Synarthrophyton chejuense