polygnathus

polygnathus

 [po-lig´nah-thus, pol″e-nath´us]
a fetal malformation in which a parasitic twin is attached to the autosite's jaw.

po·lyg·na·thus

(pō-lig'nă-thus), In the diphthong gn, the g is silent only at the beginning of a word.
Unequal conjoined twins in which the parasite is attached to the jaw of the autosite. See: conjoined twins.
[poly- + G. gnathos, jaw]

polygnathus

(pō-lĭg′nă-thŭs) [″ + gnathos, jaw]
Conjoined twins of unequal size in which the smaller is attached to the jaw of the larger.

polygnathus

a double monster in which a parasitic twin is attached to the autosite's jaw.
References in periodicals archive ?
According to Valiukevicius & Ovnatanova (1993), the conodont assemblage consists of Icriodus struvei Weddige, Polygnathus linguiformis linguiformis Hinde, P.
These are Polygnathus linguiformis linguiformis, P.
Polygnathus pennatus Hinde) have been identified in the Baltic area at the base of the Plavinas RS (Valiukevicius 1995, 2000, p.
1993) the uppermost part of the Narva RS and coeval kockelianus conodont Zone and Polygnathus parawebbi assemblage marked the probable upper boundary of the Eifelian.
Miospores in the Campbellton Formation place it in the Emphanisporites annulatus-Camarozonotriletes sextantii Assemblage Zone which corresponds approximately to the Polygnathus dehiscens to Polygnathus serotinus conodont zones of early Emsian to early late Emsian age (Richardson and McGregor 1986).