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Table 2 Morphological characteristics of all described freshwater species of Haplosporidia and those of Haplosporidium nelsoni compared to H. diporeiae n. sp

From: Molecular and ultrastructural characterization of Haplosporidium diporeiae n. sp., a parasite of Diporeia sp. (Amphipoda, Gammaridea) in the Laurentian Great Lakes (USA)

Haplosporidium sp. Host Mean spore length, range (μm) Mean spore width, range (μm) Location Reference
H. diporeiae n. sp.* Diporeia spp. 5.3 4.1 Lake Superior (USA) This study
4.4-6.7 3.0-4.9
Haplosporidium sp.* Diporeia spp. 8.1 range not stated 6.1 range not stated Lakes Michigan and Huron Messick et al. [21]
Haplosporidium sp.* Diporeia spp. 8.1 ± SE 0.23 range not stated 6.1 ± SE 0.16 range not stated Lakes Michigan and Huron Messick, [3]
H. nelsoni Oysters Crassostrea virginica, C. gigas 8.1 5.3-10.7 5.5 4.8-7.5 East Coast of North America Perkins, [33]
H. cernosvitovi Oligochaetes Opistocysta flagellum Mean not stated 10–11 Mean not stated 6–7   Jírovic, [34]
H. limnodrili Oligochaetes Limnodrilus udekemianu Mean not stated 10–12 Mean not stated 8–10   Granata, [35]
H. pickfordi Snails Physella parkeri, Lymnaea stagnalis, and Heliosoma companulatum 8 · 9 4 · 5 Lakes in northern Michigan, USA Barrow, [17]
8 · 5–10 · 4 3 · 8–4 · 6
H. raabei Zebra mussels Dreissena polymorpha 7 · 5 5 · 2 Meuse River (France) Molloy et al. [4]
6 · 5–9 · 4 4 · 5–5 · 9
H. vejdovskii Oligochaetes Mesenchytraeus flaviduus Mean not stated 10–12 Mean not stated 8–10   Caullery and Mesnil, [36]
  1. (*) indicates haplosporidians for which spore measurements were made from fixed material.