| Corymorpha bitungensis | Umbrella with promiment, digitiform apical projection traversed by apical canal; no |
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| (Xu, Huang & Guo, 2013)—M | apical chamber; mouth circular; main tentacle moniliform, with 3–10 nematocysts |
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| clusters along its length, besides the terminal one; 3 other tentacles club-shaped; |
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| all tentacle bulbs inconspicuous. Bitung Strait, Indonesia (Lin et al. 2013: 246, |
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| 248–250) |
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| Corymorpha brunnescentis | Umbrella nearly hemispherical, mesoglea thick, apical process rounded, |
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| (Huang, 1999)—M | inconspicuous, no apical canal; a rounded apical chamber atop the manubrium; |
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| main tentacle with 50–60 nematocyst clusters abaxially, besides the terminal one; |
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| 3 small bulbs with no tentacles, each provided with a “sickle-shaped” nematocyst |
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| cluster and 6–8 “brown pigment spots” abaxially. Hong Kong and southern Taiwan |
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| Strait (Huang 1999: 435–436) |
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| Corymorpha cargoi | A conspicuous, conical, apical projection, without apical canal and apical chamber; |
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| (Vargas-Hernández & Ochoa- | mouth circular; a large, spherical marginal bulb bears a large, club-shaped main |
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| Figueroa, 1991)—M | tentacle; 3 other bulbs comparatively smaller and all alike. Gulf of Tehuantepec, |
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| Mexico (Vargas-Hernández & Ochoa-Figueroa 1991: 77) |
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| Corymorpha carnea | Polyp described in the original account, redescribed by Clarke (1903: 953). |
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| (Clark, 1877)—P + G | Gonophore of unknown nature; “thin, flattened, branched tentacles, and have no |
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| swelled or thickened portions such as would indicate anything like reproductive |
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| organs”. Alaska (Clark 1877: 234). Could be a junior synonym of C. groenlandica |
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| (Calder 1972: 220, Schuchert 2010: 403). |
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| Corymorpha crassocanalis | Apical projection inconspicuous; “radial canals thick and broad”, filled with |
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| (Xu & Huang, 2003)—M | “vacuolated endodermal cells”; main tentacle with ca. 5 adaxial nematocyst |
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| clusters; 3 conical bulbs of equal size, bearing no tentacles. Taiwan Strait (Xu & |
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| Huang 2003: 137–138, 143) |
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| Corymorpha floridana | A small (though unmistakable), conical apical projection; “mouth circular, with |
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| Schuchert & Collins, 2021—M | white rim”; “ one long moniliform tentacle ” bearing 2–4 orange, “round to oblong” |
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| nematocyst clusters besides the terminal one; “one much shorter filiform tentacle” |
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| oppositely, and “two tentacle stumps”. Florida, USA (Schuchert & Collins 2021: |
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| 279) |
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| Corymorpha forbesii | Polyp described by Brinckmann-Voss (1967, 1970). Medusa without apical |
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| (Mayer, 1894)—P + M | projection; main tentacle “relatively stiff, voluminous, hollow in proximal half, |
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| terminal region except very distal end with a swollen epidermis containing many |
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| nematocysts, giving it a club-like appearance”; some specimens with a “thin, |
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| short tentacle” borne on the opposite bulb; lateral bulbs small, devoid of tentacles |
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| (Schuchert 2010: 387–388). Florida, Bahamas, Brazil, Mediterranean, Red Sea, |
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| Seychelles, India, Vietnam, Papua New Guinea, Japan, New Zealand (Schuchert & |
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| Collins 2021: 277) |
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| Corymorpha fujianensis | Umbrella piriform, with an apical dome and thick mesoglea; manubrium longer |
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| (Xu & Huang, 2006)—M | than subumbrella; a small apical chamber without apical tube and pigment; mouth |
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| rounded; 3 spherical tentacular bulbs, each with a brown-red pigmentary spot; main |
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| tentacle borne on a bigger bulb, proximally stout and there with 4–5 closely-set |
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| nematocyst “rings”, distally slender and elongate, with more than 16 spherical, |
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| isodiametric nematocyst clusters, including the terminal one, arrangement depicted |
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| as moniliform. Fujian coast, China (Xu & Huang 2006: 243, 248) |
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| Corymorpha furcata | Umbrella with pointed apex; manubrium with broad apical chamber; main tentacle |
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| (Kramp, 1948)—M | “bifurcating twice” distally, and there bearing clusters of cnidophores at tips; |
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| opposite tentacle longer than those of the lateral pair. Indian Ocean, western Pacific, |
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| Chile, Atlantic between 40° N and 40° S (Schuchert 1996: 103–104) |
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| Corymorpha gemmifera | Bell slightly wider than higher, nearly hemispherical; mesoglea rather thick; |
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| (Bouillon, 1978b)—M | manubrium longer than subumbrellar cavity, mouth circular; main tentacle bearing |
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| about 20 abaxial nematocyst clusters; 3 large bulbs “wrapping the edge of the |
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| subumbrella” but bearing no tentacles; adradial clusters of medusa buds on the edge |
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| of subumbrella (Bouillon 1978: 263). Papua New Guinea, Japan (Kawamura & |
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| Kubota 2005: 32), south China Sea (Huang et al. 2012: 524) |
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