Liriope tetraphylla ( Chamisso & Eysenhardt, 1821 )

Schuchert, Peter & Collins, Richard, 2021, Hydromedusae observed during night dives in the Gulf Stream, Revue suisse de Zoologie 128 (2), pp. 237-356 : 338

publication ID

https://doi.org/ 10.35929/RSZ.0049

publication LSID

lsid:zoobank.org:pub:8382D1CA-7C0E-4B1C-9591-4CEAA2F296FB

DOI

https://doi.org/10.5281/zenodo.5710658

persistent identifier

https://treatment.plazi.org/id/D0118A7C-5B6A-0072-FF69-FB93FAA37E2E

treatment provided by

Felipe

scientific name

Liriope tetraphylla ( Chamisso & Eysenhardt, 1821 )
status

 

Liriope tetraphylla ( Chamisso & Eysenhardt, 1821) View in CoL

Fig. 62 View Fig

Geryonia tetraphylla Chamisso & Eysenhardt, 1821: 357 View in CoL , pl. 27 fig. 2.

Liriope tetraphylla View in CoL . – Russell, 1953: 419, figs 275-282, pl. 24 fig. 2. – Kramp, 1959a: 193, fig. 293. ‒ Kramp, 1961: 239. – Kramp, 1968: 122, fig. 333. – Pagès et al., 1992: 43, fig. 52. ‒ Nagata et al., 2014: 315 View Cited Treatment , figs 34-35.

For a complete synonymy see Russell (1953).

Examined material: BFLA4026 ; 1 specimen; 15-FEB- 2019; size 20 mm; preserved in alcohol for DNA extraction; 16S sequence MW528649 View Materials .

MHNG-INVE-0031754; Mediterranean , Bay of Villefranche-sur-Mer; 43.6860°N 7.3170°E; 70 m depth; collection date 11-MAY-2001; GoogleMaps > 2 specimens; size 3-4 mm; 1 preserved in formalin, others in ethanol for DNA extraction; 16S sequence MW528628 View Materials .

Observations: Specimen from Florida with nearly hemispherical bell, 20 mm wide, apical jelly thick, with long, thin gastric peduncle, peduncle length more than two times the bell height. Thin nematocysts tracks on exumbrella, four perradial and four interradial, interradial ones reaching only to base of short tentacles, perradial ones longer. Stomach on long gastric peduncle, relatively small, four indistinct perradial lips. Radial canals four, centripetal canals not visible on photos. Gonads very wide, flat, leaf-like, heart-shaped with pointed side pointing toward periphery. Four long perradial tentacles originating at bell margin, with ring-shaped nematocyst clusters. Four short interradial tentacles originating above bell margin on exumbrella, with adaxial nematocyst clusters.

16S Data: A blastn search in GenBank with the 16S from Florida ( MW528649 View Materials ) yielded numerous matches with other Liriope tetraphylla samples, but only with identities from 92 to 95.5%. The sequence obtained from the Mediterranean specimen ( MW528628 View Materials ) gave identities from 90 to 99 % with other Liriope tetraphylla sequences.

Distribution: In Pacific, Indian, and Atlantic ocean, including the Mediterranean, approximately between 40°N and 40°S, in the NE Atlantic reaching to the English Channel (Kramp, 968). Type locality: Indian Ocean ( Chamisso & Eysenhardt, 1821).

Remarks: This is a rather unproblematic species, but Collins et al. (2008) suggested the existence of cryptic species based on significant divergences in mitochondrial 16S and nuclear sequence data. The high 16S divergences were confirmed in the present study.

Kingdom

Animalia

Phylum

Cnidaria

Class

Hydrozoa

Order

Limnomedusae

Family

Geryoniidae

Genus

Liriope

Loc

Liriope tetraphylla ( Chamisso & Eysenhardt, 1821 )

Schuchert, Peter & Collins, Richard 2021
2021
Loc

Liriope tetraphylla

Nagata R. M. & Nogueira Junior M. & Haddad M. A. 2014: 315
Pages F. & Gili J. M. & Bouillon J. 1992: 43
Kramp P. L. 1968: 122
Kramp P. L. 1961: 239
Kramp P. L. 1959: 193
Russell F. S. 1953: 419
1953
Loc

Geryonia tetraphylla

Chamisso A. V. & Eysenhardt C. G. 1821: 357
1821
Loc

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