I believe your specimen is not a Philodendron, but instead Anthurium podophyllum. It is native to the eastern coast of Mexico and there are many photos online for comparison.

Hi Dave,
I first thought so too. But it vines so it has to be some kind of philo......

{{gwi:387465}}

I have a feeling it will end up as one of the leaf variations of Philodendron pedatum. Let me look a bit more.
Scott

After a quick look around the leaf blade shape seems to match a P. quercifolium image in Exotica. However P. quercifolium is a synonym of P. pedatum. P. pedatum is known to have a bunch of leaf variations so I leave it to you to see if your Google-Fu is strong with those two names.Good luck.
Scott

Here is a link that might be useful: Culture Sheet

After searching in Google, I will go with P. quercifolium as well. The leaves on mine are more slender but the plant is young. Thanks so much! I appreciate the help.
T-