Ancient arthropod kept its brood close
Threads tethered juveniles to parent, fossil suggests
![Ancient Arthropod](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/04/040416_cm_intro-arthropod_free.jpg?fit=860%2C460&ssl=1)
KEEP CLOSE The ancient arthropod Aquilonifer spinosus tethered its offspring to its armor, shown in this 3-D rendering.
D. Briggs et al/PNAS 2016
Threads tethered juveniles to parent, fossil suggests
KEEP CLOSE The ancient arthropod Aquilonifer spinosus tethered its offspring to its armor, shown in this 3-D rendering.
D. Briggs et al/PNAS 2016