Complex sentence: That specimen had a lower rostral length (LRL) of and weighed ((Anonymous),), where as the submature female from 2003 had a LRL of (O'Shea, 2003c).
Split into simpler sentences: That specimen had a lower rostral length (LRL) of and weighed ((Anonymous),). By comparison, the submature female found in 2003 had a LRL of (O'Shea, 2003c).