Anthemodes picta (Metschnikoff, 1870) accepted as Nanomia bijuga (Delle Chiaje, 1844) (basis of record)
Bassia obeliscus Haeckel, 1888 accepted as Bassia bassensis (Quoy & Gaimard, 1833) (original description)
Bassia tetragona Haeckel, 1888 accepted as Bassia bassensis (Quoy & Gaimard, 1833) (original description)
Calyconectae accepted as Calycophorae (original description)
Crystallodes vitrea Haeckel, 1888a accepted as Agalma okenii Eschscholtz, 1825 (original description)
Cuboides crystallus Haeckel, 1888 accepted as Enneagonum hyalinum Quoy & Gaimard, 1827 (original description)
Cuneolaria elegans (M. Sars, 1846) accepted as Agalma elegans (M. Sars, 1846) (basis of record)
Cymba crystallus (Haeckel, 1888) accepted as Enneagonum hyalinum Quoy & Gaimard, 1827 (basis of record)
Cystonectae (original description)
Desmophyes Haeckel, 1888 (original description)
Desmophyes imbricata Haeckel, 1888 (original description (unavailable nomenclaturally))
Diphyopsis Haeckel, 1888 accepted as Diphyes Cuvier, 1817 (original description)
Diphyopsis compressa Haeckel, 1888 accepted as Diphyes dispar Chamisso & Eysenhardt, 1821 (original description)
Discalia primordialis Haeckel, 1888 accepted as Porpita porpita (Linnaeus, 1758) (original description)
Epibulia truncata (Sars, 1846) accepted as Lensia conoidea (Keferstein & Ehlers, 1860) (basis of record)
Ersaea compressa Haeckel, 1888 accepted as Diphyes dispar Chamisso & Eysenhardt, 1821 (original description)
Forskalia tholoides Haeckel, 1888 (original description (unavailable nomenclaturally))
Forskalidae Haeckel, 1888 accepted as Forskaliidae Haeckel, 1888 (original description)
Lychnagalma Haeckel, 1888 (original description)
Lychnagalma vesicularia Haeckel, 1888 accepted as Lychnagalma utricularia (Claus, 1879) (original description)
Melophysa Haeckel, 1888 (original description)
Mitrophyes Haeckel, 1888 accepted as Amphicaryon Chun, 1888 (original description)
Mitrophyes peltifera Haeckel, 1888 accepted as Amphicaryon peltifera (Haeckel, 1888) (original description)
Nectalia Haeckel, 1888 accepted as Halistemma Huxley, 1859 (original description)
Nectalia loligo Haeckel, 1888 (original description)
Physonectae (original description)
Pneumophysa Haeckel, 1888 accepted as Rhizophysa Péron & Lesueur, 1807 (original description)
Polyphyes Haeckel, 1888 accepted as Hippopodius Quoy & Gaimard, 1827 (original description)
Polyphyes luteus (Quoy & Gaimard, 1827) accepted as Hippopodius hippopus (Forsskål, 1776) (basis of record)
Porpalia Haeckel, 1888 accepted as Porpita Lamarck, 1801 (original description)
Porpalia prunella Haeckel, 1888 accepted as Porpita prunella (Haeckel, 1888) (original description (unavailable nomenclaturally))
Rataria cristata Haeckel, 1888 (original description)
Rhodalia Haeckel, 1888 (original description)
Rhodalia miranda Haeckel, 1888 (original description)
Rhodalidae Haeckel, 1888 accepted as Rhodaliidae Haeckel, 1888 (original description)
Sphenoides obeliscus Haeckel, 1888 accepted as Bassia bassensis (Quoy & Gaimard, 1833) (original description)
Sphenoides perforata (Gegenbaur, 1859) accepted as Bassia bassensis (Quoy & Gaimard, 1833) (basis of record)
Sphenoides tetragona Haeckel, 1888 accepted as Bassia bassensis (Quoy & Gaimard, 1833) (original description)
Stephalia Haeckel, 1888 (original description)
Stephalia corona Haeckel, 1888 (original description)
Stephanomia nereidum Haeckel, 1888 (basis of record)
Velaria Haeckel, 1888 accepted as Velella Lamarck, 1801 (original description)

Indian Ocean for Crystallodes vitrea Haeckel, 1888a 
Tropical Northwestern Pacific for Porpalia prunella Haeckel, 1888 

 Status

 for Bassia obeliscus Haeckel, 1888

Nomen nudum ? [details]

 Taxonomic remark

 for Cymba crystallus (Haeckel, 1888)

This name is just another genus combination for Cuboides crystallus introduced by Haeckel (1888a & b). Haeckel ... [details]

 Taxonomy

 for Eudoxella Haeckel, 1888

Haeckel refers to his 1888a publication for Eudoxella, but which was spelled Eudoxon there. [details]