Tyranid Base Sizes

I haven't personally found a nice easy to understand list of Tyranid units and their current base sizes, so here one is.

Last Updated 01/07/2024

Unit	Image	Base Size(s)	Notes
	Barbgaunts	40mm
	Biovores	80mm
	Broodlord	75 x 42mm oval
	Carnifexes / Old One Eye	105 x 70mm oval
	Deathleaper	60mm
	Exocrine	120m x 92mm oval base
	Gargoyles	32mm bases aka small flying stands
	Genestealers	32mm
	Harpy	120x90mm oval flying base, height: 127mm
	Haruspex	120m x 92mm oval base
	Hive Crone	120x90mm oval flying base, height: 127mm
	Hive Guard	50mm
	Hive Tyrant / Winged Hive Tyrant	60mm (actual 65mm)	While GW calls their base a 60mm size, it's more like 65mm.
	Hormagaunts	28.5mm
	Lictor	50mm
	Maleceptor	120m x 92mm oval
	Mawloc	120m x 92mm oval
	Mucolid Spores	40mm
	Neurogaunts / Nodebeast	25mm for the Neurogaunts and 28.5mm for the Nodebeast
	Neurolictor	50mm
	Neurotyrant / Neuroloids	50mm for the Neurotyrant, 25mm for the Neuroloids
	Norn Assimilator	100mm
	Norn Emissary	100mm
	Parasite of Mortrex	40mm
	Psychophage	120 x 92mm oval
	Pyrovores	80mm
	Raveners	40mm
	Ripper Swarms	40mm
	Screamer-Killer	90mm or 105 x 70mm oval	The 2023 model uses a round base while the Carnifex variant uses on oval base
	Spore Mines	25mm
	Sporocyst	100mm
	Termagants	28.5mm	Ripper Swarms use a 40mm base
	Tervigon	120m x 92mm oval
	The Swarmlord	60mm (actual 65mm)	While GW calls their base a 60mm size, it's more like 65mm.
	Toxicrene	120m x 92mm oval
	Trygon
	Tyranid Warriors with Melee Bio-weapons	50mm
	Tyranid Warriors with Ranged Bio-weapons	50mm
	Tyrannocyte	100m
	Tyrannofex	120m x 92mm oval
	Tyrant Guard	50mm
	Venomthropes	40mm
	Von Ryan’s Leapers	40mm
	Winged Tyranid Prime	50mm
	Zoanthropes / Neurothropes	40mm
	Harridan	120x90mm, height: 127mm	People often add a larger base to give the model more stability
	Hierophant	No base required.	People often add a base to give the model more structural integrity