In a large pot with a small amount of boiling water, steam clams just until they open. Remove immediately and set aside.
Heat oil over medium heat in a large skillet. Add shrimp and cook, stirring once, until just cooked through (pink). About 1-2 minute per side. Transfer to a plate and set aside.
Add scallops and brown on both sides, about 1.5 minutes per side. Transfer to the plate and set aside.
Turn pan back down to medium. Add the garlic and shallots to the skillet and cook until soft, 3-5 minutes.
Turn heat back up to medium high.
Add wine, cherry tomatoes, canned tomatoes,, basil, parsley and oregano. Season to taste with salt and pepper and simmer, stirring occasionally and reducing heat if liquid starts to boil too rapidly, until cherry tomatoes are soft and the sauce has thickened, about 20 minutes.
Meanwhile, cook pasta in a large pot of boiling salted water over high heat until just tender, Drain, reserving 1/4 c. pasta water.
Add parsley, pepper flakes, pasta, pasta water, and seafood to skillet and toss well.
Serve immediately.
Video
Notes
You can use whatever seafood you have on hand or that you prefer.Leftovers can be refrigerated for 3-4 days.Reheat in microwave until hot.Do not freeze.