Table 1.

Taxa identity, size ranges, and total number of images

Class	Taxonomic group	Size (µm)	Strain	Examples
Alexandrium tamarense	Dinoflagellate	20–80	CCMP1771	201
Ceratium fusus	Dinoflagellate	50–350	Environmental	56
Ceratium lineatum	Dinoflagellate	80–230	Environmental	44
Ceratium longpipes	Dinoflagellate	200–340	CCMP1770	378
Ceratium sp.	Dinoflagellate	140–230	Environmental	64
Chaetoceros socialis	Diatom	40–360	CCMP3263	102
Chaetoceros straight	Diatom	30–120	CCMP215	325
Chaetoceros sp.	Diatom	30–430	CCMP1690	114
Crustacean	Animal	180–640	Environmental	13
Dictyocha speculum	Silicoflagellate	30–105	CCMP1381	185
Melosira octagona	Diatom	80–460	CCMP483	173
Noise	Artefact	–	–	150
Parvicorbicula socialis	Choanoflagellate	25–85	Environmental	36
Prorocentrum micans	Dinoflagellate	30–120	CCMP688	1074
Pseudo-nitchzia arctica	Diatom	35–150	CCMP1309	33
Rhizosoenia setigera	Diatom	200–530	CCMP1330	306
Rods	Morphological	60–280	–	396
Skeletonema costatum	Diatom	60–130	CCMP2092	157
Tintinnid	Ciliate	90–310	Environmental	20

Cell sizes are taken from apical cell length measurements, using 25 examples for each class