Conjoined Fetal Twins in a Harbor Seal (Phoca vitulina)
Jennifer K Olson1, Joseph K Gaydos2, Tori McKlveen3
11 The Whale Museum, 62 First Street N, PO Box 945, Friday Harbor, Washington 98250, USA.
Journal of Wildlife Diseases
|November 4, 2015
Abstract:
In July 2013, a stranded harbor seal (Phoca vitulina) died giving birth to conjoined fetuses. The twins were joined at the abdomen and thoracolumbar spine with the vertebral axis at 180°. The cause of this unique anomaly--a first for this species--was not identified.


