Table 3.

Animals that exhibit dimorphic, mirror image early embryo forms during normal development. Concordant: chiral state of eight-cell embryo depends on chiral state of four-cell embryo.

taxon	observed chirality		concordant?	effect on juvenile phenoype	source
	4-cell	8-cell
Spiralia
Mollusca- Gastropoda
Basommatophora
Lymnaea peregra (dextral)	100% sin	100% dex	yes	dextral shell	[32]
L. peregra (sinistral)	100% dex	100% sin	yes	sinistral shell	[32]
Lymnaea stagnalis (dextral)	mostly sin	100% dex	mostly	dextral shell	[74]
L. stagnalis (sinistral)	mostly dex	100% sin	mostly	sinistral shell	[75]
Mollusca- Bivalvia
Heterodonta
Dreissena polymorpha	stochastic	80% sin	no	not evident	[71]
Cumingia tellinoides	stochastic	100% dex	no	not evident	[76]
Pholas dactylus	stochastic	100% dex	no	not evident	[77]
Spisula subtruncata	stochastic	100% dex	no	not evident	[77]
Annelida- Polychaeta
Platynereis dumerilii	10% sin	10% sin	yes	not evident	[78]
Ecdysozoa
Arthropoda- Crustacea
Cladocera
Holopedium gibberum	?	stochastica	?	not evident	[79]b
Daphnia pulex	?	stochastica	?	not evident	[79]b
Copepoda
Cyclops viridis	?	stochastica	?	not evident	[80]b
Polyphemus pediculus	?	stochastica	?	not evident	[80]b
Amphipoda
Parhyale hawaiensis	stochastic	stochastic	yes	not evident	[81]
Orchestia cavimana	stochastic	stochastic	yes	not evident	[79]
Cheirimedon femoratus	stochastic	stochastic	yes	not evident	[82]
Tryphosella kergueleni	stochastic	stochastic	yes	not evident	[82]
Euphausiacea
(not identified)	?	stochastica	?	not evident	[80]b
Meganyctiphanes norvegica	stochastic	stochastic	yes	not evident	[80]
Decapoda
Sicyonia ingentis	75% DII	50% DIIr	no	not evident	[83]
Penaeus vannamei	92% DII	64% DIIr	partly	not evident	[83]
Penaeus monodon	stochastic	stochastic	yes	not evident	[84]

^aAssumed, counts not cited.

^bResults cited in tabled reference.