Sauroposeidon was probably the tallest, reaching about 18 metres (60 ft) high, with the previous record for longest neck being held by Mamenchisaurus.
Sauroposeidon a fost, probabil, cel mai înalt sauropod, ajungând la aproximativ 18 metri (60 de picioare) înălțime, recordul anterior fiind deținut de Mamenchisaurus.