Fishes of the Western North Atlantic, Edizione 1,Parte 6John Tee-Van Sears Foundation for Marine Research, Yale Univ., 1948 |
Dall'interno del libro
Risultati 1-3 di 84
Pagina 143
... dorsal spine and posterior to the last , there are no scales on the midline of the back in the region of the dorsal spines . The apparently disconnected dorsal spines of notacanths are , in reality , part of a connected fin , but a fin ...
... dorsal spine and posterior to the last , there are no scales on the midline of the back in the region of the dorsal spines . The apparently disconnected dorsal spines of notacanths are , in reality , part of a connected fin , but a fin ...
Pagina 155
... DORSAL SPINE : Taken with a ruler , from the tip of the ethmoid prominence to the base of the ist dorsal spine ; expressed in per cent of gnathoproctal length . TIP OF JAW TO PELVIC ORIGIN : Taken with a ruler , from tip of jaw to ...
... DORSAL SPINE : Taken with a ruler , from the tip of the ethmoid prominence to the base of the ist dorsal spine ; expressed in per cent of gnathoproctal length . TIP OF JAW TO PELVIC ORIGIN : Taken with a ruler , from tip of jaw to ...
Pagina 169
... spine is branched . Dorsal spines 26-30 ( Caribbean ) or 36-40 ( open Atlantic ) , the last spine divided into a rigid anterior portion and a flexible but not articulated posterior portion , the common base of these two portions located ...
... spine is branched . Dorsal spines 26-30 ( Caribbean ) or 36-40 ( open Atlantic ) , the last spine divided into a rigid anterior portion and a flexible but not articulated posterior portion , the common base of these two portions located ...
Sommario
Order Heteromi Notacanthiformes By S B MCDOWELL I | 30 |
Family Notacanthidae | 124 |
Family Lipogenyidae | 208 |
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2nd dorsal adults Aldrovandia anal fin anal rays anus arch barbel base Bean body bone branchial branchiostegal membranes branchiostegal rays Bull caeca canal Caribbean caudal fin Caudal peduncle cavity Coelorhynchus depth descr distr dorsal fin dorsal ray dorsal spine FIGURE fin rays Florida FMNH frontal genus Gilbert and Hubbs Gill rakers gnathoproctal length Gulf of Mexico Günther Halosauropsis halosaurs head length Heteromi Hist hyomandibular Interorbital width Jordan and Evermann lateral line lateral-line scales Lipogenys lower jaw macrourids Madeira margin maxilla maxillary median Melamphaes mouth nostril Notacanthidae Notacanthus oceanogr opercular orbit OREGON St orig palatine pectoral fin pectoral rays pelvic fin pelvic rays Polyacanthonotus pores posterior premaxilla preopercle preopercular Proc pyloric range ridges rissoanus scale rows South spec specimens spinules suborbital supratemporal swim bladder synon teeth tooth patch trawl U.S. nat upper jaw USNM Vaillant ventral vertebrae western North Atlantic Zool