are there any mammals that are reptiles apart from the platypus!

Question: are there any mammals that are reptiles apart from the platypus!
- Keywords:
  mammal,
  platypus,
  reptile
Asked by Henrietta to Aimee, Gemma, Hussain, Robert, Ross on 15 Nov 2015.
- Hussain Jaffery answered on 15 Nov 2015:
  
  The platypus isn’t really a reptile, but just seems to have strange features. It is, in fact, a mammal, and unfortunately as cool as it may seem, there aren’t any reptile-mammal hybrids. Boo!

Question: are there any mammals that are reptiles apart from the platypus!