Released by Bandai in 1983-1985 this was a line of plush dinosaurs. Most if not all of the plush appear to be released under Bandai’s Petit Amour (プチアムール) line of stuffed animals.
From the 1983 New Bandai Fair catalog (¥1,700 each):
3. Gokigentyrano (ごきげんチラノ)
4. Gokigenladon (ごきげんラドン)
5. Gokigencryptid (ごきげんクリプト)
6. Gokigenzaurus (ごきげんザウルス)
1984 Bandai Marchen Creation catalog:
Gokigenland (ごきげんランド):
1. Gokigenzaurus extra large (ごきげんザウルス 特大) ¥9,800
2. Gokigenzaurus (ごきげんザウルス) ¥1,700
3. Gokigentyrano (ごきげんチラノ) ¥1,700
4.Gokigenzaurus huge (ごきげんザウルス デカ)¥3,000
5.Gokigenzaurus large (ごきげんザウルス 大)¥5,800,
6.Gokigenzaurus rainbow (ごきげんザウルス ラインボー) ¥2,200
no number Gokigentyrano huge (ごきげんチラノ デカ) ¥3,000
Fancy Mascot (ファンシーマスコット) ¥580
Gokigenzaurus Petit Series (ごきげんザウルスプチシリーズ):
1. Walkamn (ウオークマン) ¥1,200
2. Study (勉強) ¥1,200
3. Sports (スポーツ) ¥1,200
4. Rainbow (レインボー) ¥1,300
5. Bridal (ブライダル) ¥2,500
6. Bridal (ブライダル) ¥2,500
no number Gokigenzauru (ごきげんザウルス) ¥1,000
no number Gokigentyrano (ごきげんチラノ) ¥1,000
Bikkurizaurus (びっくりザウルス) ¥2,800
Gokigenzaurus Festival Outfit (ごきげんザウルス祭ばんてん) ¥2,400
Electronic Gokigen Frilled Lizard (E/L ごきげんえりまきくん) ¥3,800
Gokigen Frilled Lizard (ごきげんえりまきくん)
Large (大) ¥3,800
Medium (中) ¥2,800
Small (小) ¥1,800
Remote Control Kaijuu Series (リモコン怪獣シリーズ)
Remote Control Godzilla (リモコンゴジラ) ¥1,200
Remote Control Gokigenzaurus (リモコンごきげんザウルス) ¥1,000
Remote Control Gokigen Frilled Lizard (リモコンごきげんえりまきくん) ¥1,200
Bullpin Series (ブルピンシリーズ)
Gokigen Frilled Lizard (ごきげんえりまきくん) ¥450
Gokigenzaurus (ごきげんザウルス) ¥450
Omusubi Yama (おむすび山) ¥450
W/U Gokigenzaurus (W/Uごきげんザウルス) ¥680
Normal:
Mini:
Petit:
Walkman (ウオークマン)
Tennis
Pink with red glasses
Talking Gokigenzaurus (トーキングごきげんザウルス)：
This is a weird looking one called a Gokigencrypto (ごきげんクリプト)
Non-Plush:
Flocky Series (フロッキーシリーズ) ¥580
Hard plastic figure
Remote Controlled (リモコン)
Bentou set
Zaurustown (ザウルスタウン)
While not noted as being officially part of the Gokigenzaurus line one of the Girls Hobby Little Model series is Zaurustown featuring dinosaurs using the Gokigenzaurus molds.