318:(bundles of sperm) into the gill cavity of a female. It is unclear how this is done but it seems likely that the male, always smaller than the female, makes its way into the siphon of the female to deposit them in the required position. The eggs are fertilized as they emerge from the genital pore into the siphon. The resulting larvae are brooded in the siphon until they are released as D-larvae with their rudimentary shells already formed. It is surmised that the larvae pass through the sea cucumbers gut and out through its anus before becoming
37:
252:
are small but their structure is similar to those of other free-living bivalves. The foot extends permanently from the ventral side of the animal. This is relatively large compared to other bivalves and contains the visceral mass and the gonads.
286:) were gathered from shallow waters in Nha Trang Bay in Vietnam. Of these, 22 were found to harbour the bivalve in their oesophagus. The average number of molluscs per host was 84 with a range of 1 to 167. Another sea cucumber,
299:
might absorb nutrients through its epithelium. This idea was rejected however because the surface of the mantle is covered by a thin cuticle, which would make absorption difficult. The stomach was found to contain
304:, therefore it is likely that the bivalve uses its gills to filter them and other fine organic particles from the contents of the sea cucumber's gut in which it is immersed.
292:, also acts as a host to the bivalve but of 30 specimens collected from the same locality, only one was found to harbour any of them, and that one contained just 5 molluscs.
498:
511:
244:
can grow to about 9 millimetres (0.35 in) in length. It has a very small, delicate shell which is internal, being entirely enclosed by large folds of the
485:
570:
575:
537:
351:
314:. This means that it starts life as a male and later becomes a female. Fertilization takes place when a male inserts
261:
by the different shape of its body and foot, and by the fact that its outer body epithelium is distinctively folded.
516:
36:
311:
288:
199:
440:
141:
542:
339:
282:
158:
195:
565:
31:
503:
524:
472:
529:
421:
245:
188:
379:
230:
178:
98:
88:
410:"A new endosymbiotic bivalve (Heterodonta: Galeommatoidea), from Pacific holothurians"
559:
315:
218:
280:. In a research study undertaken in 2010, 23 sea cucumbers known as brown sandfish (
257:
can be distinguished from the other three previously described species in the genus
477:
277:
409:
463:
273:
226:
214:
222:
206:
191:
118:
108:
48:
457:
319:
78:
68:
490:
210:
184:
181:
174:
425:
301:
58:
434:
408:
Bristow, G. A.; Berland, B.; Schander, C. & Vo, D. T. (2010).
249:
438:
384:(Bristow, Berland, Schander & Vo, 2010) (Galeommatoidea)"
205:
derives from the locality where it was originally found,
447:
8:
378:Lützen, J.; B. Berland & G. A. Bristow.
373:
371:
369:
367:
435:
344:Bristow, Berland, Schander & Vo, 2010"
20:
380:"Morphology of an endosymbiotic bivalve,
330:
272:is an endosymbiont living inside the
7:
14:
352:World Register of Marine Species
248:which fuse above the hinge. The
35:
295:It was at first surmised that
1:
571:Molluscs of the Pacific Ocean
229:because it does not harm its
221:. It is considered to be an
592:
576:Molluscs described in 2010
338:Bouchet, Philippe (2010).
147:
140:
32:Scientific classification
30:
23:
312:protandric hermaphrodite
449:Entovalva nhatrangensis
414:Journal of Parasitology
382:Entovalva nhatrangensis
342:Entovalva nhatrangensis
308:Entovalva nhatrangensis
297:Entovalva nhatrangensis
289:Holothuria leucospilota
270:Entovalva nhatrangensis
255:Entovalva nhatrangensis
242:Entovalva nhatrangensis
170:Entovalva nhatrangensis
151:Entovalva nhatrangensis
25:Entovalva nhatrangensis
217:of certain species of
213:. It lives inside the
133:E. nhatrangensis
283:Holothuria spinifera
391:Molluscan Research
157:Bristow, Berland,
16:Species of bivalve
553:
552:
525:Open Tree of Life
441:Taxon identifiers
426:10.1645/GE-2280.1
166:
165:
583:
546:
545:
533:
532:
520:
519:
507:
506:
494:
493:
481:
480:
468:
467:
466:
436:
430:
429:
405:
399:
398:
388:
375:
362:
361:
359:
358:
335:
198:in 2010 and its
153:
40:
39:
21:
591:
590:
586:
585:
584:
582:
581:
580:
556:
555:
554:
549:
541:
536:
528:
523:
515:
510:
502:
497:
489:
484:
476:
471:
462:
461:
456:
443:
433:
407:
406:
402:
386:
377:
376:
365:
356:
354:
337:
336:
332:
328:
267:
239:
203:"nhatrangensis"
196:first described
162:
155:
149:
136:
34:
17:
12:
11:
5:
589:
587:
579:
578:
573:
568:
558:
557:
551:
550:
548:
547:
534:
521:
508:
495:
482:
469:
453:
451:
445:
444:
439:
432:
431:
420:(3): 532–534.
400:
363:
329:
327:
324:
322:for a period.
316:spermatophores
266:
263:
238:
235:
225:rather than a
164:
163:
161:& Vo, 2010
156:
145:
144:
138:
137:
130:
128:
124:
123:
116:
112:
111:
106:
102:
101:
99:Galeommatoidea
96:
92:
91:
86:
82:
81:
76:
72:
71:
66:
62:
61:
56:
52:
51:
46:
42:
41:
28:
27:
15:
13:
10:
9:
6:
4:
3:
2:
588:
577:
574:
572:
569:
567:
564:
563:
561:
544:
539:
535:
531:
526:
522:
518:
513:
509:
505:
500:
496:
492:
487:
483:
479:
474:
470:
465:
459:
455:
454:
452:
450:
446:
442:
437:
427:
423:
419:
415:
411:
404:
401:
397:(2): 114–124.
396:
392:
385:
383:
374:
372:
370:
368:
364:
353:
349:
345:
343:
334:
331:
325:
323:
321:
317:
313:
309:
305:
303:
298:
293:
291:
290:
285:
284:
279:
275:
271:
264:
262:
260:
256:
251:
247:
243:
236:
234:
232:
228:
224:
220:
219:sea cucumbers
216:
212:
208:
204:
201:
200:specific name
197:
193:
190:
186:
183:
180:
176:
172:
171:
160:
154:
152:
146:
143:
142:Binomial name
139:
135:
134:
129:
126:
125:
122:
121:
117:
114:
113:
110:
107:
104:
103:
100:
97:
95:Superfamily:
94:
93:
90:
87:
84:
83:
80:
77:
74:
73:
70:
67:
64:
63:
60:
57:
54:
53:
50:
47:
44:
43:
38:
33:
29:
26:
22:
19:
448:
417:
413:
403:
394:
390:
381:
355:. Retrieved
347:
341:
333:
307:
306:
296:
294:
287:
281:
278:sea cucumber
269:
268:
258:
254:
241:
240:
223:endosymbiont
202:
169:
168:
167:
150:
148:
132:
131:
119:
89:Galeommatida
24:
18:
237:Description
560:Categories
357:2012-05-06
326:References
320:planktonic
274:oesophagus
215:oesophagus
566:Lasaeidae
464:Q25938376
259:Entovalva
207:Nha Trang
194:. It was
192:Lasaeidae
177:of small
127:Species:
120:Entovalva
109:Lasaeidae
55:Kingdom:
49:Eukaryota
504:11771347
458:Wikidata
227:parasite
159:Schander
105:Family:
79:Bivalvia
69:Mollusca
65:Phylum:
59:Animalia
45:Domain:
491:5855610
302:diatoms
265:Biology
211:Vietnam
209:Bay in
187:in the
185:mollusc
182:bivalve
175:species
115:Genus:
85:Order:
75:Class:
543:515727
530:487108
517:658670
246:mantle
189:family
179:marine
538:WoRMS
499:IRMNG
478:6FHNB
387:(PDF)
348:WoRMS
310:is a
276:of a
250:gills
173:is a
512:NCBI
486:GBIF
231:host
473:CoL
422:doi
562::
540::
527::
514::
501::
488::
475::
460::
418:96
416:.
412:.
395:31
393:.
389:.
366:^
350:.
346:.
233:.
428:.
424::
360:.
340:"
Text is available under the Creative Commons Attribution-ShareAlike License. Additional terms may apply.
