Need help to ID these crab looking things on my glass!

[Robin777]

Hey guys!

Noticed these on all over my glass today, white looking spots, about the size of a small grain of sand, thought it was some sort of copepod but I’ve never seen this type before!
Please help to ID!

 

[ISpeakForTheSeas]

Ostracods - should be harmless/beneficial like other "pods" found in tanks.

 

[Robin777]

Ostracods - should be harmless/beneficial like other "pods" found in tanks.

Thank you!!