 | V.—Notes on the Hydroid zoophytes
Allman (1859) Annals And Magazine of Natural History 4: 48-55 |
 | XXXVII.—Descriptions of some new and rare Zoophytes found on the coast of Northumberland
Joshua Alder (1862) Annals And Magazine of Natural History 9: 311-317 |
 | XXXV.—On the construction and limitation of genera among the Hydroida
Allman (1864) Annals And Magazine of Natural History 13: 345-380 |
 | XXX.—On a new genus of hydroids from the White Sea, with a short description of other new hydroids
C Mereschkowsky (1877) Annals And Magazine of Natural History 20: 220-229 |
 | XII.—Contributions to the history of the Hydroida
Thomas Hincks (1877) Annals And Magazine of Natural History 19: 148-152 |
 | XXXVI.—Studies on the Hydroida
C Mereschkowsky (1878) Annals And Magazine of Natural History 1: 322-340 |
 | IV.—The origin of Metagenesis among the Hydromedusæ
W K Brooks (1886) Annals And Magazine of Natural History 18: 22-30 |
 | XXI.—On the organism of the Siphonophora and their phylogenetic derivation: a Criticism upon E. Haeckel's so-called Medusome-theory
Carl Claus (1889) Annals And Magazine of Natural History 4: 185-198 |
 | Hydropolypen von Rovigno, nebst Uebersicht uber das System der Hydropolypen im Allgemeinen
(1898) Zoologische Jahrbuecher (Systematik) 10: 472-555 |
 | THE EARLY STAGES IN THE DEVELOPMENT OF THE HYPOPHYSIS OF AMIA CALVA
J M Prather (1900) Biol Bull 1: 57-80 |
 | VARIATION AMONG HYDROMEDUSAE
Chas W Hargitt (1901) Biol Bull 2: 221-255 |
 | Matériaux pour servir à l'histoire des Hydroïdes, 2eme période (1821-1850)
M Bedot (1905) Revue Suisse De Zoologie 13: 1-183 |
 | On Collections of the Cape Verde Islands Marine Fauna, inacle by Cyril Crossland, M.A. (Cantab.), B.Sc. (Lond.), F.Z.S., of St‘. Andrews University, July to SepteniLer, 1904.-The Hydroids
James Ritchie (1907) Proceedings of The Zoological Society of London 1907: 488-517 |
 | THE SPERMATOGENESIS OF AGALENA NAeVIA
Louise B Wallace (1909) Biol Bull 17: 120-160 |
 | A REEXAMINATION OF THE CYTOLOGY OF HYDRACTINIA AND PENNARIA
W M Smallwood (1909) Biol Bull 17: 209-240 |
 | Matériaux pour servir à l'histoire des Hydroïdes. 3ème période (1851-1871)
M Bedot (1910) Revue Suisse De Zoologie 18: 189-490 |
 | Die Hydromedusen des Golfes von Triest
(1911) Zoologischer Anzeiger Leipzig 38: 395-399 |
 | On Variation in the Medusa of Mœrisia lyonsi
Charles L Boulenger (1911) Proceedings of The Zoological Society of London 1911: 1045-1056 |
 | The nomenclature of the Hydromedusae
T D A Cockerell (1911) Proceedings of The Biological Society of Washington 24: 77-86 |
 | Hydroiden der Munchener Zoologischen Staatssammlung
(1912) Zoologische Jahrbuecher Jena Abteilungen F Systematik 32: 333-378 |
 | Das System der Coelenterata
F Poche (1914) Archiv fuer Naturgeschichte 80: 47-128 |
 | Beitrag zur Kenntnis der Hydromedusen
(1914) Zeitschrift Fuer Wissenschaftliche Zoologie Leipzig 111: 381-427 |
 | On the rhizocephalan genus Thompsonia and its relation to the evolution of the group
F A Potts (1915) Carnegie Institution of Washington Publication 212: 1-32 |
 | Zur Kenntnis der Hydroidenfauna des Mittelmeeres, Amerikas und anderer Gebiete, nebst Angaben uber einige Kirchenpauer'sche Typen von Plumulariden
(1919) Zoologische Jahrbuecher (Systematik) 42: 1-172 |
 | THE MECHANISM FOR SYNCHRONOUS SPAWNING IN HYDRACTINIA AND PENNARIA
W W Ballard (1942) Biol Bull 82: 329-339 |
 | A Revision of the Hydroid Genus Perigonimus M. Sars, 1846
W J Rees (1956) Bull. Brit. Mus. (Nat. Hist.) Zool. 3: 337-350 |
 | On Three Northern Species of Hydractinia
W J Rees (1956) Bull. Brit. Mus. (Nat. Hist.) Zool. 3: 351-364 |
 | Evolutionary Trends in the Classification of Capitate Hydroids and Medusae
(1957) Bulletin of The British Museum (Natural History) Zoology 4: 453-534 |
 | Hydromedusae from the Discovery Collections
(1957) Discovery Reports 29: 1-128 |
 | Hydroids of the family Cytaeidae L. Agassiz, 1862
(1962) Bulletin of The British Museum (Natural History) Zoology 8: 379-400 |
 | COLONY GROWTH AND PATTERN IN THE TWO-TENTACLED HYDROID, PROBOSCIDACTYLA FLAVICIRRATA
Richard D Campbell (1968) Biol Bull 135: 96-104 |
 | A HIERARCHY OF HISTO-INCOMPATIBILITY IN HYDRACTINIA ECHINATA
Frances B Ivker (1972) Biol Bull 143: 162-174 |
 | BUDDING, SEXUAL REPRODUCTION, AND DEGENERATION IN THE COLONIAL ASCIDIAN, SYMPLEGMA REPTANS
Keiji Sugimoto and Mitsuaki Nakauchi (1974) Biol Bull 147: 213-226 |
 | PODOCORYNE SELENA, A NEW SPECIES OF HYDROID FROM THE GULF OF MEXICO, AND A COMPARISON WITH HYDRACTINIA ECHINATA
Claudia E Mills (1976) Biol Bull 151: 214-224 |
 | SPECIFICITY IN THE ASSOCIATION BETWEEN HYDRACTINIA ECHINATA AND SYMPATRIC SPECIES OF HERMIT CRABS
Neil A Mercando and Charles F Lytle (1980) Biol Bull 159: 337-348 |
 | Hydroids and medusae of the family Companulariidae recorded from the eastern north Atlantic, with a world synopsis of genera
P F S Cornelius (1982) Bulletin of the British Museum (Natural History) Zoology 42(2): 37-148 |
 | BIOLOGY OF HYDRACTINIID HYDROIDS. 4. ULTRASTRUCTURE OF THE PLANULA OF HYDRACTINIA ECHINATA
Virginia M Weis, Douglas R Keene and Leo W Buss (1985) Biol Bull 168: 403-418 |
 | LABORATORY EVIDENCE FOR A SIZE REFUGE IN COMPETITIVE INTERACTIONS BETWEEN THE HYDROIDS HYDRACTINIA ECHINATA (FLEMMING) AND PODOCORYNE CARNEA (SARS)
Catherine S Mcfadden (1986) Biol Bull 171: 161-174 |
 | Shallow-water hydroids of Bermuda. The Athecatae
Dale R Calder (1988) Royal Ontario Museum Life Sciences Contributions Life sciences contributions 148: 1-107 |
 | Shape Variation in Hydractiniid Hydroids
N W Blackstone and L W Buss (1991) Biol Bull 180: 394-405 |
 | A New Species of the Genus Stylactaria (Cnidaria, Hydrozoa) from Hokkaido, Japan(Systematics and Taxonomy)
Hiroshi Namikawa (1991) Zoological Science 8: 805-812 |
 | Dose-Response Relationships for Experimental Heterochrony in a Colonial Hydroid
N W Blackstone (1997) Biol Bull 193: 47-61 |
 | Symbionts Of The Hermit Crab Pagurus Longicarpus Say, 1817 (Decapoda : Anomura): New Observations From New Jersey Waters And A Review Of All Known Relationships
J J Mcdermott (2001) Proceedings of The Biological Society of Washington 114: 624-639 |
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