Linked from
The 61 pages that link to Hydrodynamics, each with the reason it gives.
AnaspidaRelated: Anaspids' streamlined outlines are relevant to movement through water.
Animal finNarrower topic: Water resistance and flow around a fin shape its swimming performance.
ArandaspisRelated: Its flattened, armoured form shaped how it moved through water.
DallasaurusRelated: Water resistance shaped the body forms of increasingly aquatic mosasauroids.
Grapsus grapsusRelated: Waves impose forces that the crab must resist or evade on exposed shores.
StethacanthusRelated: A tall dorsal structure would have affected water flow around a swimming fish.
WatercraftNarrower topic: Watercraft design must manage drag, lift, and flow around the hull.