An important paper is out today: Carpenter (2018) names Maraapunisaurus , a new genus to contain the species “ Amphicoelias ” fragillimus , on the basis that it’s actually a rebbachisaurid rather than being closely related to the type species Amphicoelias altus . {.size-full .wp-image-15433 aria-describedby=“caption-attachment-15433” loading=“lazy” attachment-id=“15433”