Preondactyl vs Kuro (Puella Magi): who would win?

Kuro (Puella Magi) favored — Slight edge (~55%)

Preondactyl · Kaiju No. 8 · Base

Tier
LOW 7-C, up to 7-A
Attack Potency
Small Town Level, up to Mountain Level+
Speed
Superhuman, up to Hypersonic
Durability
Small Town Level

Kuro (Puella Magi) · Puella Magi Verse · Base

Tier
LOW 7-C
Attack Potency
Small Town Level
Speed
Massively Hypersonic
Durability
Unknown

A heuristic estimate from normalized VS Battles Wiki stats: tier, attack potency, speed and durability.